-/*
- simple-spacer.hh -- declare
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 1999--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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
#ifndef SIMPLE_SPACER_HH
#define SIMPLE_SPACER_HH
-#include "real.hh"
-#include "array.hh"
+#include "std-vector.hh"
#include "lily-proto.hh"
-#include "list.hh"
-#include "drul-array.hh"
-
-struct Rod_info {
- Real distance_f_;
- Drul_array<int> cols_;
-};
+#include "spring.hh"
+#include "smobs.hh"
-struct Spring_info {
- /// the ideal distance
- Real space_f_;
+class Simple_spacer : public Simple_smob<Simple_spacer>
+{
+public:
+ Simple_spacer ();
- /// Hooke's constant: how strong are the "springs" attached to columns
- Real hooke_f_;
+ void solve (Real line_len, bool ragged);
+ void add_rod (int l, int r, Real dist);
+ void add_spring (Spring const &);
+ Real range_ideal_len (int l, int r) const;
+ Real range_stiffness (int l, int r, bool stretch) const;
+ Real configuration_length (Real) const;
+ vector<Real> spring_positions () const;
- Real blocking_stretch_f_;
- Rod_info * blocking_rod_l_;
- void set (Idealspacing *);
- Spring_info();
-};
+ void set_force (Real force);
+ Real force () const;
+ Real force_penalty (bool ragged) const;
+ bool fits () const;
-class Simple_spring_spacer {
- Array<Spring_info> springs_;
- Pointer_list<Rod_info*> rods_;
+private:
+ Real expand_line ();
+ Real compress_line ();
+ Real rod_force (int l, int r, Real dist);
- void init ();
- Array<Real> solve ();
-
+ vector<Spring> springs_;
+ Real line_len_;
+ Real force_;
+ bool ragged_;
+ bool fits_;
};
-#endif /* SIMPLE_SPACER_HH */
+/* 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 */