source file of the GNU LilyPond music typesetter
- (c) 1996--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "main.hh"
-#include "warn.hh"
-#include "font-metric.hh"
-#include "spanner.hh"
-#include "paper-def.hh"
-#include "system.hh"
-#include "paper-column.hh"
#include "paper-score.hh"
+
+#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 "gourlay-breaking.hh"
-#include "paper-outputter.hh"
-#include "file-results.hh"
-#include "misc.hh"
-#include "all-font-metrics.hh"
+#include "score.hh"
+#include "stencil.hh"
+#include "system.hh"
+#include "warn.hh"
+#include "constrained-breaking.hh"
-Paper_score::Paper_score ()
+Paper_score::Paper_score (Output_def *layout)
{
- paper_ =0;
- outputter_ =0;
+ layout_ = layout;
system_ = 0;
- main_smob_ = SCM_EOL;
+ systems_ = SCM_EOL;
+ paper_systems_ = SCM_BOOL_F;
+}
+
+Paper_score::Paper_score (Paper_score const &s)
+ : Music_output (s)
+{
+ assert (false);
+}
+
+void
+Paper_score::derived_mark () const
+{
+ if (layout_)
+ scm_gc_mark (layout_->self_scm ());
+ scm_gc_mark (systems_);
+ scm_gc_mark (paper_systems_);
}
void
-Paper_score::typeset_line (System *l)
+Paper_score::typeset_system (System *system)
{
if (!system_)
+ system_ = system;
+
+ systems_ = scm_cons (system->self_scm (), systems_);
+ system->pscore_ = this;
+ system->layout_ = layout_;
+ system->unprotect ();
+}
+
+
+vector<vsize>
+Paper_score::find_break_indices () const
+{
+ vector<Grob*> all = root_system ()->used_columns ();
+ vector<vsize> retval;
+
+ for (vsize i = 0; i < all.size (); i++)
{
- system_ = l; // ugh.
+ 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);
}
- main_smob_ = gh_cons (l->self_scm (), main_smob_);
- l->pscore_ = this;
- /*
- We don't unprotect l->self_scm (), we haven't got any place else to
- protect it from collection. */
+ cols_ = all;
+ break_indices_ = retval;
+ return retval;
}
-Paper_score::Paper_score (Paper_score const &s)
- : Music_output (s)
+vector<vsize>
+Paper_score::get_break_indices () const
{
- assert (false);
+ if (break_indices_.empty ())
+ find_break_indices ();
+ return break_indices_;
}
-Array<Column_x_positions>
+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;
- Array<Column_x_positions> sol;
+ Constrained_breaking algorithm (this);
+ vector<Column_x_positions> sol;
+
+ message (_ ("Calculating line breaks...") + " ");
- algorithm = new Gourlay_breaking ;
- algorithm->set_pscore (this);
- sol = algorithm->solve ();
- delete algorithm;
+ int system_count = robust_scm2int (layout ()->c_variable ("system-count"), 0);
+ if (system_count)
+ return algorithm.solve (0, VPOS, system_count);
- return sol;
+ return algorithm.best_solution (0, VPOS);
}
-/*
- urg. clean me
- */
void
Paper_score::process ()
{
- if (verbose_global_b)
- progress_indication (_f ("Element count %d ", system_->element_count ()));
-
-
- progress_indication (_ ("Preprocessing elements...") + " ");
+ if (be_verbose_global)
+ message (_f ("Element count %d (spanners %d) ",
+ system_->element_count (),
+ system_->spanner_count ()));
- /*
- Be sure to set breakability on first & last column.
- */
- Link_array<Grob> pc (system_->columns ());
-
- pc[0]->set_grob_property ("breakable", SCM_BOOL_T);
- pc.top ()->set_grob_property ("breakable", SCM_BOOL_T);
+ message (_ ("Preprocessing graphical objects..."));
- system_->pre_processing ();
-
- Array<Column_x_positions> breaking = calc_breaking ();
- system_->break_into_pieces (breaking);
-
- outputter_ = paper_->get_paper_outputter ();
-;
- outputter_->output_header ();
- outputter_->output_version ();
-
- progress_indication ("\n");
-
- if (global_header)
- {
+ /* FIXME: Check out why we need this - removing gives assertion failures
+ down the road.
- outputter_->output_scope (global_header, "lilypond");
- outputter_->write_header_fields_to_file (global_header);
- }
- if (header_)
- {
- outputter_->output_scope (header_, "lilypond");
- outputter_->write_header_fields_to_file (header_);
- }
-
- outputter_->output_comment (_ ("Outputting Score, defined at: "));
- outputter_->output_comment (origin_string_);
+ 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"));
- if (paper_->variable_tab_)
- outputter_->output_scope (paper_->variable_tab_, "lilypondpaper");
-
- SCM scm = scm_list_n (ly_symbol2scm ("header-end"), SCM_UNDEFINED);
- outputter_->output_scheme (scm);
-
- system_->output_lines ();
+ system_->pre_processing ();
+}
- scm = scm_list_n (ly_symbol2scm ("end-output"), SCM_UNDEFINED);
- outputter_->output_scheme (scm);
+System *
+Paper_score::root_system () const
+{
+ return system_;
+}
- progress_indication ("\n");
+Output_def *
+Paper_score::layout () const
+{
+ return layout_;
+}
- // huh?
- delete outputter_;
- outputter_ = 0;
-
- if (verbose_global_b)
+SCM
+Paper_score::get_paper_systems ()
+{
+ if (paper_systems_ == SCM_BOOL_F)
{
- scm_write (scm_gc_stats (), scm_current_error_port ());
- scm_flush (scm_current_error_port ());
+ 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 paper_systems_;
+}
+
+
+Paper_score *
+unsmob_paper_score (SCM x)
+{
+ return dynamic_cast<Paper_score*> (unsmob_music_output (x));
}
projects / lilypond.git / blobdiff