-/*
+/*
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 "std-vector.hh"
#include "lily-proto.hh"
-
+#include "smobs.hh"
struct Spring_description
{
Real ideal_;
- Real hooke_;
- bool active_b_;
-
+ Real inverse_hooke_;
+ bool is_active_;
Real block_force_;
Real length (Real force) const;
Spring_description ();
- bool sane_b () const;
+ bool is_sane () const;
};
-struct Simple_spacer
+class Simple_spacer
{
- Array<Spring_description> springs_;
- Link_array<Grob> spaced_cols_;
- Link_array<Grob> loose_cols_;
+public:
+ std::vector<Spring_description> springs_;
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;
+ 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 active_b () const;
+ 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 */