* The grand 2005-2006 replace.

[lilypond.git] / lily / include / simple-spacer.hh

diff --git a/lily/include/simple-spacer.hh b/lily/include/simple-spacer.hh
index 48e8dd2e34b87f1caa6e35bbe8b94ef9251a3dd0..1ee059b637181b726cedeb989d7f7d19280bba7b 100644 (file)
--- a/lily/include/simple-spacer.hh
+++ b/lily/include/simple-spacer.hh
@@ -1,25 +1,23 @@
-/*   
+/*
   simple-spacer.hh -- declare Simple_spacer
-  
+
   source file of the GNU LilyPond music typesetter
-  
-  (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+
+  (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
 
 #ifndef SIMPLE_SPACER_HH
 #define SIMPLE_SPACER_HH
 
 #include "parray.hh"
 #include "lily-proto.hh"
-
+#include "smobs.hh"
 
 struct Spring_description
 {
   Real ideal_;
-  Real hooke_;
+  Real inverse_hooke_;
   bool is_active_;
-
   Real block_force_;
 
   Real length (Real force) const;
@@ -28,32 +26,45 @@ struct Spring_description
   bool is_sane () const;
 };
 
-struct Simple_spacer
+class Simple_spacer
 {
+public:
   Array<Spring_description> springs_;
-  Link_array<Grob> spaced_cols_;
-  Link_array<Grob> loose_cols_;
   Real force_;
   Real indent_;
   Real line_len_;
   Real default_space_;
   int active_count_;
-  bool compression_penalty_b_;
-  
+
   Simple_spacer ();
-  
-  void solve (Column_x_positions *, bool);
-  void add_columns (Link_array<Grob>const &);
+
   void my_solve_linelen ();
   void my_solve_natural_len ();
   Real active_springs_stiffness () const;
   Real range_stiffness (int, int) const;
   void add_rod (int l, int r, Real dist);
-  Real range_ideal_len (int l, int r)const;
-  Real is_activelocking_force ()const;
+  void add_spring (Real, Real);
+  Real range_ideal_len (int l, int r) const;
+  Real active_blocking_force ()const;
   Real configuration_length ()const;
   void set_active_states ();
   bool is_active () const;
+
+  DECLARE_SIMPLE_SMOBS (Simple_spacer,);
+};
+
+struct Simple_spacer_wrapper
+{
+  Simple_spacer *spacer_;
+  Link_array<Grob> spaced_cols_;
+  Link_array<Grob> loose_cols_;
+
+  Simple_spacer_wrapper ();
+  void add_columns (Link_array<Grob> const &);
+  void solve (Column_x_positions *, bool);
+  ~Simple_spacer_wrapper ();
+private:
+  Simple_spacer_wrapper (Simple_spacer_wrapper const &);
 };
 
 #endif /* SIMPLE_SPACER_HH */