]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/paper-score.cc
Merge branch 'master' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond into lilypond...
[lilypond.git] / lily / paper-score.cc
index 8769502ec9a581cc74526a68f9a875edad07cc3f..7ae0854e984c3283799b59754c3b2a2687ffdafb 100644 (file)
@@ -1,37 +1,34 @@
 /*
-  p-score.cc -- implement Paper_score
+  paper-score.cc -- implement Paper_score
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996,  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1996--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
-#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"
 
-Paper_score::Paper_score ()
+#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)
 {
-  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);
-
-  line_l_ = line_p;
+  layout_ = layout;
+  system_ = 0;
+  systems_ = SCM_EOL;
+  paper_systems_ = SCM_BOOL_F;
 }
 
 Paper_score::Paper_score (Paper_score const &s)
@@ -40,206 +37,122 @@ Paper_score::Paper_score (Paper_score const &s)
   assert (false);
 }
 
-Paper_score::~Paper_score ()
-{
-  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_);
-}
-
 void
-Paper_score::typeset_element (Score_element * elem_p)
+Paper_score::derived_mark () const
 {
-  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 (layout_)
+    scm_gc_mark (layout_->self_scm ());
+  scm_gc_mark (systems_);
+  scm_gc_mark (paper_systems_);
 }
 
-
 void
-Paper_score::typeset_unbroken_spanner (Spanner*span_p)
+Paper_score::typeset_system (System *system)
 {
-  span_p_arr_.push (span_p);
-  span_p->pscore_l_=this;
+  if (!system_)
+    system_ = system;
 
-  SCM p =  span_p->remove_elt_property (break_helper_only_scm_sym);
-  if (p != SCM_BOOL_F)
-    break_helpers_arr_.push (span_p);
+  systems_ = scm_cons (system->self_scm (), systems_);
+  system->pscore_ = this;
+  system->layout_ = layout_;
+  system->unprotect ();
 }
 
-void
-Paper_score::add_column (Paper_column *p)
+
+vector<vsize>
+Paper_score::find_break_indices () const
 {
-  p->set_rank (col_l_arr_.size ());
-  col_l_arr_.push (p);
-  typeset_element(p);
-}
+  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 (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;
 
-void
-Paper_score::print () 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
+  return retval;
 }
 
-int
-Paper_score::find_col_idx (Paper_column const *c) const
+vector<vsize>
+Paper_score::get_break_indices () const
 {
-  Paper_column const *what = c;
+  if (break_indices_.empty ())
+    find_break_indices ();
+  return break_indices_;
+}
 
-  return col_l_arr_.find_i ((Paper_column*)what);
+vector<Grob*>
+Paper_score::get_columns () const
+{
+  if (cols_.empty ())
+    find_break_indices ();
+  return cols_;
 }
 
-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 ();
-
-
-  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 (be_verbose_global)
+    message (_f ("Element count %d (spanners %d) ",
+                system_->element_count (),
+                system_->spanner_count ()));
 
-  if (experimental_features_global_b)
-    *mlog << _f ("%s elements", elem_p_arr_.size () + span_p_arr_.size ());
+  message (_ ("Preprocessing graphical objects..."));
 
-  *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 (paper_systems_ == SCM_BOOL_F)
     {
-      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 paper_systems_;
+}
 
-  return ret;
+
+Paper_score *
+unsmob_paper_score (SCM x)
+{
+  return dynamic_cast<Paper_score*> (unsmob_music_output (x));
 }