/*
- p-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--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1996, 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.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.
-#include "main.hh"
-#include "debug.hh"
-#include "lookup.hh"
-#include "spanner.hh"
-#include "paper-def.hh"
-#include "line-of-score.hh"
-#include "paper-column.hh"
-#include "paper-score.hh"
-#include "paper-column.hh"
-#include "scope.hh"
-#include "word-wrap.hh"
-#include "gourlay-breaking.hh"
-#include "paper-stream.hh"
-#include "paper-outputter.hh"
-#include "file-results.hh"
-#include "misc.hh"
+ 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.
-Paper_score::Paper_score ()
-{
- protected_scms_ = scm_protect_object (gh_cons (SCM_BOOL_T, SCM_EOL));
- paper_l_ =0;
- outputter_l_ =0;
- Line_of_score * line_p = new Line_of_score;
- typeset_unbroken_spanner (line_p);
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
- line_l_ = line_p;
-}
+#include "paper-score.hh"
-Paper_score::Paper_score (Paper_score const &s)
- : Music_output (s)
+#include "all-font-metrics.hh"
+#include "book.hh"
+#include "international.hh"
+#include "main.hh"
+#include "misc.hh"
+#include "output-def.hh"
+#include "paper-book.hh"
+#include "paper-column.hh"
+#include "scm-hash.hh"
+#include "score.hh"
+#include "stencil.hh"
+#include "system.hh"
+#include "warn.hh"
+#include "constrained-breaking.hh"
+
+Paper_score::Paper_score (Output_def *layout)
{
- assert (false);
+ layout_ = layout;
+ system_ = 0;
+ systems_ = SCM_EOL;
+ paper_systems_ = SCM_BOOL_F;
}
-Paper_score::~Paper_score ()
+void
+Paper_score::derived_mark () const
{
- for (int i=span_p_arr_.size (); --i >=0 ; )
- delete span_p_arr_[i];
- for (int i=elem_p_arr_.size (); --i >=0 ; )
- delete elem_p_arr_[i];
-
- scm_unprotect_object (protected_scms_);
+ if (layout_)
+ scm_gc_mark (layout_->self_scm ());
+ scm_gc_mark (systems_);
+ scm_gc_mark (paper_systems_);
}
void
-Paper_score::typeset_element (Score_element * elem_p)
+Paper_score::typeset_system (System *system)
{
- elem_p_arr_.push (elem_p);
- elem_p->pscore_l_ = this;
-
- // take over protection.
- assert (elem_p->self_scm_ != SCM_EOL);
- SCM_CDR(protected_scms_) = gh_cons (elem_p->self_scm_,
- SCM_CDR (protected_scms_));
- scm_unprotect_object (elem_p->self_scm_);
-
- SCM p = elem_p->remove_elt_property (break_helper_only_scm_sym);
- if (p != SCM_BOOL_F)
- break_helpers_arr_.push (elem_p);
-}
+ if (!system_)
+ system_ = system;
+ systems_ = scm_cons (system->self_scm (), systems_);
+ system->pscore_ = this;
+ system->layout_ = layout_;
+ system->unprotect ();
+}
void
-Paper_score::typeset_unbroken_spanner (Spanner*span_p)
+Paper_score::find_break_indices () const
{
- span_p_arr_.push (span_p);
- span_p->pscore_l_=this;
+ cols_ = root_system ()->used_columns ();
+ break_indices_.clear ();
+ break_ranks_.clear ();
- SCM p = span_p->remove_elt_property (break_helper_only_scm_sym);
- if (p != SCM_BOOL_F)
- break_helpers_arr_.push (span_p);
+ for (vsize i = 0; i < cols_.size (); 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 ());
+ }
+ }
}
-void
-Paper_score::add_column (Paper_column *p)
+vector<vsize>
+Paper_score::get_break_indices () const
{
- p->set_rank (col_l_arr_.size ());
- col_l_arr_.push (p);
- typeset_element(p);
+ if (break_indices_.empty ())
+ find_break_indices ();
+ return break_indices_;
}
-
-
-void
-Paper_score::print () const
+vector<Grob *>
+Paper_score::get_columns () const
{
-#ifndef NPRINT
- if (!flower_dstream)
- return ;
- DEBUG_OUT << "Paper_score { ";
- DEBUG_OUT << "\n elements: ";
- for (int i=0; i < span_p_arr_.size (); i++)
- span_p_arr_[i]->print ();
- for (int i=0; i < elem_p_arr_.size (); i++)
- elem_p_arr_[i]->print();
-
- DEBUG_OUT << "}\n";
-#endif
+ if (cols_.empty ())
+ find_break_indices ();
+ return cols_;
}
-int
-Paper_score::find_col_idx (Paper_column const *c) const
+vector<vsize>
+Paper_score::get_break_ranks () const
{
- Paper_column const *what = c;
-
- return col_l_arr_.find_i ((Paper_column*)what);
+ if (break_ranks_.empty ())
+ find_break_indices ();
+ return break_ranks_;
}
-Array<Column_x_positions>
+vector<Column_x_positions>
Paper_score::calc_breaking ()
{
- Break_algorithm *algorithm_p=0;
- Array<Column_x_positions> sol;
- bool try_wrap = !paper_l_->get_var ("castingalgorithm");
+ Constrained_breaking algorithm (this);
+ vector<Column_x_positions> sol;
- if (!try_wrap)
- {
- algorithm_p = new Gourlay_breaking ;
- algorithm_p->set_pscore (this);
- sol = algorithm_p->solve ();
- delete algorithm_p;
- if (! sol.size ())
- {
- warning (_ ("Can't solve this casting problem exactly; reverting to Word_wrap"));
- try_wrap = true;
- }
- }
- if (try_wrap)
- {
- algorithm_p = new Word_wrap;
- algorithm_p->set_pscore (this);
- sol = algorithm_p->solve ();
- delete algorithm_p;
- }
- return sol;
-}
+ message (_ ("Calculating line breaks...") + " ");
+ int system_count = robust_scm2int (layout ()->c_variable ("system-count"), 0);
+ if (system_count)
+ return algorithm.solve (0, VPOS, system_count);
+ return algorithm.best_solution (0, VPOS);
+}
void
Paper_score::process ()
{
- Dictionary<int> type_stats;
- type_stats["Item"] =0;
- type_stats["Spanner"] =0;
- type_stats["Total"]=0;
-
- print ();
- *mlog << _ ("Preprocessing elements...") << " " << flush;
- line_l_->breakable_col_processing ();
- line_l_->pre_processing ();
-
- *mlog << '\n' << _ ("Calculating column positions...") << " " << flush;
- line_l_->space_processing ();
-
- Array<Column_x_positions> breaking = calc_breaking ();
+ debug_output (_f ("Element count %d (spanners %d) ",
+ system_->element_count (),
+ system_->spanner_count ()));
+ message (_ ("Preprocessing graphical objects..."));
- Paper_stream* paper_stream_p = paper_l_->paper_stream_p ();
- outputter_l_ = paper_l_->paper_outputter_p (paper_stream_p, header_l_, origin_str_);
-
- Link_array<Line_of_score> lines;
- for (int i=0; i < breaking.size (); i++)
- {
- Line_of_score *line_l = line_l_->set_breaking (breaking, i);
- lines.push (line_l);
- if (line_l != line_l_)
- typeset_element (line_l);
- }
-
- if (experimental_features_global_b)
- *mlog << _f ("%s elements", elem_p_arr_.size () + span_p_arr_.size ());
-
- *mlog << "\n";
- *mlog << _ ("Line ... ");
- line_l_->break_processing ();
- for (int i=0; i < lines.size (); i++)
- {
- *mlog << '[' << flush;
-
- Line_of_score *line_l = lines[i];
-
- line_l->post_processing ();
- *mlog << i << flush;
- line_l->output_all (i + 1 == lines.size());
- if (experimental_features_global_b)
- *mlog << '(' << elem_p_arr_.size () + span_p_arr_.size () << ')';
-
- *mlog << ']' << flush;
- }
-
- // huh?
- delete outputter_l_;
- delete paper_stream_p;
- outputter_l_ = 0;
-
-
- /*
- todo: sort output
- */
- if (experimental_features_global_b)
- {
- for (Dictionary_iter<int> i(type_stats); i.ok(); i++)
- {
- *mlog << i.key () << ": " << i.val () << " objects\n";
- }
- }
- *mlog << '\n' << flush;
-
+ system_->pre_processing ();
}
-Link_array<Item>
-Paper_score::broken_col_range (Item const*l, Item const*r) const
+System *
+Paper_score::root_system () const
{
- Link_array<Item> ret;
-
- l = l->column_l ();
- r = r->column_l ();
-
- int start = l
- ? find_col_idx (dynamic_cast<Paper_column*> ((Item*)l))+1
- : 0;
+ return system_;
+}
- int stop = r
- ? find_col_idx (dynamic_cast<Paper_column*>((Item*)r))
- : col_l_arr_.size ();
+Output_def *
+Paper_score::layout () const
+{
+ return layout_;
+}
- while (start < stop)
+SCM
+Paper_score::get_paper_systems ()
+{
+ if (scm_is_false (paper_systems_))
{
- Paper_column *c = col_l_arr_[start];
- if (c->breakable_b () && !c->line_l_)
- ret.push (c);
- start++;
+ vector<Column_x_positions> breaking = calc_breaking ();
+ system_->break_into_pieces (breaking);
+ message (_ ("Drawing systems...") + " ");
+ system_->do_break_substitution_and_fixup_refpoints ();
+ paper_systems_ = system_->get_paper_systems ();
}
-
- return ret;
+ return paper_systems_;
}