X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fpaper-score.cc;h=0cecb7951170d53e022523cdbdb3876493741f79;hb=97a0169312a260933246ab224e4f8b0969871dd5;hp=4c2719a91fbdb512dfba0d3c5c21e2c50956c5c7;hpb=bc95f4434f760d41191341ab4508b2064eb19025;p=lilypond.git

diff --git a/lily/paper-score.cc b/lily/paper-score.cc
index 4c2719a91f..0cecb79511 100644
--- a/lily/paper-score.cc
+++ b/lily/paper-score.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1996--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1996--2015 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
@@ -42,12 +42,6 @@ Paper_score::Paper_score (Output_def *layout)
   paper_systems_ = SCM_BOOL_F;
 }
 
-Paper_score::Paper_score (Paper_score const &s)
-  : Music_output (s)
-{
-  assert (false);
-}
-
 void
 Paper_score::derived_mark () const
 {
@@ -69,26 +63,24 @@ Paper_score::typeset_system (System *system)
   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>
@@ -99,7 +91,7 @@ Paper_score::get_break_indices () const
   return break_indices_;
 }
 
-vector<Grob*>
+vector<Grob *>
 Paper_score::get_columns () const
 {
   if (cols_.empty ())
@@ -107,6 +99,14 @@ Paper_score::get_columns () const
   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 ()
 {
@@ -125,10 +125,9 @@ Paper_score::calc_breaking ()
 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..."));
 
@@ -150,7 +149,7 @@ Paper_score::layout () const
 SCM
 Paper_score::get_paper_systems ()
 {
-  if (paper_systems_ == SCM_BOOL_F)
+  if (scm_is_false (paper_systems_))
     {
       vector<Column_x_positions> breaking = calc_breaking ();
       system_->break_into_pieces (breaking);
@@ -160,10 +159,3 @@ Paper_score::get_paper_systems ()
     }
   return paper_systems_;
 }
-
-
-Paper_score *
-unsmob_paper_score (SCM x)
-{
-  return dynamic_cast<Paper_score*> (unsmob_music_output (x));
-}