]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/include/beam.hh
Run `make grand-replace'.
[lilypond.git] / lily / include / beam.hh
index b69fc15fce936c809c956768f74da4b33ae80d29..a9b30b678668e1020b9b9e2f1a0aea2d8b552656 100644 (file)
@@ -3,28 +3,28 @@
 
   source file of the LilyPond music typesetter
 
-  (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1996--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
   Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #ifndef BEAM_HH
 #define BEAM_HH
 
+#include "grob-interface.hh"
+#include "std-vector.hh"
 #include "lily-proto.hh"
-#include "lily-guile.hh"
 #include "stem-info.hh"
 
-
 /*
   TODO: move quanting in separate file.
- */
-struct Beam_quant_parameters {
+*/
+struct Beam_quant_parameters
+{
   Real INTER_QUANT_PENALTY;
   Real SECONDARY_BEAM_DEMERIT;
   Real STEM_LENGTH_DEMERIT_FACTOR;
   Real REGION_SIZE;
 
-
   /*
     threshold to combat rounding errors.
   */
@@ -34,54 +34,87 @@ struct Beam_quant_parameters {
   Real STEM_LENGTH_LIMIT_PENALTY;
   Real DAMPING_DIRECTION_PENALTY;
   Real MUSICAL_DIRECTION_FACTOR;
+  Real HINT_DIRECTION_PENALTY;
   Real IDEAL_SLOPE_FACTOR;
   Real ROUND_TO_ZERO_SLOPE;
 
-  void fill (Grob *him); 
+  void fill (Grob *him);
+};
+
+struct Beam_segment
+{
+  int vertical_count_;
+  Interval horizontal_; 
+  Beam_segment ();
 };
 
+struct Beam_stem_segment 
+{
+  Beam_stem_segment ();
+
+  Grob *stem_;
+  Real width_;
+  Real stem_x_;
+  int rank_;
+  vsize stem_index_;
+  bool gapped_;
+  Direction dir_;
+  int max_connect_;
+  
+};
+
+
+bool operator <(Beam_stem_segment const &a, Beam_stem_segment const &b);
+
 class Beam
 {
 public:
-  static int visible_stem_count (Grob *);
-  static Grob *first_visible_stem (Grob *);
-  static Grob *last_visible_stem (Grob *);
-  static bool has_interface (Grob *);
+  static int normal_stem_count (Grob *);
+  static Grob *first_normal_stem (Grob *);
+  static Grob *last_normal_stem (Grob *);
+  DECLARE_GROB_INTERFACE();
   static void add_stem (Grob *, Grob *);
+  static bool is_cross_staff (Grob *);
   static bool is_knee (Grob *);
-  static void set_beaming (Grob *, Beaming_info_list *);
+  static void set_beaming (Grob *, Beaming_pattern const *);
   static void set_stemlens (Grob *);
   static int get_beam_count (Grob *me);
-  static void position_beam (Grob *me);
   static Real get_beam_translation (Grob *me);
   static Real get_thickness (Grob *me);
   static void connect_beams (Grob *me);
-
-  DECLARE_SCHEME_CALLBACK (rest_collision_callback, (SCM element, SCM axis));
-  DECLARE_SCHEME_CALLBACK (space_function, (SCM, SCM));
+  static vector<Beam_segment> get_beam_segments (Grob *me_grob, Grob **common); 
+  static Interval no_visible_stem_positions (Grob *me, Interval default_value);
+  
+  DECLARE_SCHEME_CALLBACK (rest_collision_callback, (SCM element, SCM prev_off));
   DECLARE_SCHEME_CALLBACK (print, (SCM));
-  DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM));
-  DECLARE_SCHEME_CALLBACK (after_line_breaking, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_beaming, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_stem_shorten, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_direction, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_positions, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_least_squares_positions, (SCM, SCM));
+  DECLARE_SCHEME_CALLBACK (calc_normal_stems, (SCM));  
+  DECLARE_SCHEME_CALLBACK (calc_concaveness, (SCM));
+  DECLARE_SCHEME_CALLBACK (set_stem_lengths, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM));
 
   /* position callbacks */
-  DECLARE_SCHEME_CALLBACK (least_squares, (SCM));
-  DECLARE_SCHEME_CALLBACK (check_concave, (SCM));
-  DECLARE_SCHEME_CALLBACK (slope_damping, (SCM));
-  DECLARE_SCHEME_CALLBACK (shift_region_to_valid, (SCM));
-  DECLARE_SCHEME_CALLBACK (quanting, (SCM));
-  static Real score_slopes_dy (Real, Real, Real, Real, Real, bool, Beam_quant_parameters const*);
-
-  static Real score_stem_lengths (Link_array<Grob> const &stems,
-                                 Array<Stem_info> const &stem_infos,
-                                 Array<Real> const &base_stem_ys,
-                                 Array<Real> const &stem_xs,
+  DECLARE_SCHEME_CALLBACK (shift_region_to_valid, (SCM, SCM));
+  DECLARE_SCHEME_CALLBACK (slope_damping, (SCM, SCM));
+  DECLARE_SCHEME_CALLBACK (quanting, (SCM, SCM));
+  
+static Real score_slopes_dy (Real, Real, Real, Real, Real, bool, Beam_quant_parameters const *);
+
+  static Real score_stem_lengths (vector<Grob*> const &stems,
+                                 vector<Stem_info> const &stem_infos,
+                                 vector<Real> const &base_stem_ys,
+                                 vector<Real> const &stem_xs,
                                  Real xl, Real xr,
                                  bool knee,
-                                 Real yl, Real yr, Beam_quant_parameters const*);
+                                 Real yl, Real yr, Beam_quant_parameters const *);
   static Real score_forbidden_quants (Real, Real,
                                      Real, Real, Real, Real,
                                      Drul_array<int>, Direction, Direction,
-                                     Beam_quant_parameters const*);
+                                     Beam_quant_parameters const *);
 
   static int get_direction_beam_count (Grob *me, Direction d);
 private:
@@ -90,15 +123,11 @@ private:
   static void consider_auto_knees (Grob *);
   static void set_stem_shorten (Grob *);
   static Real calc_stem_y (Grob *, Grob *s, Grob **c,
-                          Real, Real,
+                          Real, Real, Direction,
                           Drul_array<Real> pos, bool french);
-  static void set_stem_lengths (Grob *);
   static int forced_stem_count (Grob *);
 };
 
-#ifndef NDEBUG
-#define DEBUG_QUANTING 1
-#endif
 
 #endif /* BEAM_HH */