Run `make grand-replace'.

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

diff --git a/lily/include/simple-spacer.hh b/lily/include/simple-spacer.hh
index c98d13a395d1e4a4336ef73c7269f486ddd4e827..935cb94c6c260e72872b9261d34282f6432984ef 100644 (file)
--- a/lily/include/simple-spacer.hh
+++ b/lily/include/simple-spacer.hh
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1999--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #ifndef SIMPLE_SPACER_HH
@@ -11,61 +11,50 @@
 
 #include "std-vector.hh"
 #include "lily-proto.hh"
+#include "spring.hh"
 #include "smobs.hh"
 
-struct Spring_description
-{
-  Real ideal_;
-  Real inverse_hooke_;
-  bool is_active_;
-  Real block_force_;
-
-  Real length (Real force) const;
-  Spring_description ();
-
-  bool is_sane () const;
-};
-
 class Simple_spacer
 {
 public:
-  vector<Spring_description> springs_;
-  Real force_;
-  Real indent_;
-  Real line_len_;
-  Real default_space_;
-  int active_count_;
-
   Simple_spacer ();
 
-  void my_solve_linelen ();
-  void my_solve_natural_len ();
-  Real active_springs_stiffness () const;
-  Real range_stiffness (int, int) const;
+  void solve (Real line_len, bool ragged);
   void add_rod (int l, int r, Real dist);
-  void add_spring (Real, Real);
+  void add_spring (Spring const&);
   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;
+  Real range_stiffness (int l, int r, bool stretch) const;
+  Real configuration_length (Real) const;
+  vector<Real> spring_positions () const;
 
-  DECLARE_SIMPLE_SMOBS (Simple_spacer,);
-};
+  Real force () const;
+  Real force_penalty (bool ragged) const;
+  bool fits () const;
 
-struct Simple_spacer_wrapper
-{
-  Simple_spacer *spacer_;
-  vector<Grob*> spaced_cols_;
-  vector<Grob*> loose_cols_;
+  DECLARE_SIMPLE_SMOBS (Simple_spacer);
 
-  Simple_spacer_wrapper ();
-  void add_columns (vector<Grob*> const &);
-  void solve (Column_x_positions *, bool);
-  ~Simple_spacer_wrapper ();
 private:
-  Simple_spacer_wrapper (Simple_spacer_wrapper const &);
+  Real expand_line ();
+  Real compress_line ();
+  Real rod_force (int l, int r, Real dist);
+
+  vector<Spring> springs_;
+  Real line_len_;
+  Real force_;
+  bool ragged_;
+  bool fits_;
 };
 
+/* returns a vector of dimensions breaks.size () * breaks.size () */
+vector<Real> get_line_forces (vector<Grob*> const &columns,
+                             Real line_len,
+                             Real indent,
+                             bool ragged);
+
+Column_x_positions get_line_configuration (vector<Grob*> const &columns,
+                                          Real line_len,
+                                          Real indent,
+                                          bool ragged);
+
 #endif /* SIMPLE_SPACER_HH */