release: 1.3.100

[lilypond.git] / lily / include / stem.hh

diff --git a/lily/include/stem.hh b/lily/include/stem.hh
index a40484123c159980c75c226d50c0862bbe5e9814..200ce735927c4b6b140eecb77a6f24f296a4b3c3 100644 (file)
--- a/lily/include/stem.hh
+++ b/lily/include/stem.hh
@@ -1,105 +1,50 @@
 /*
   stem.hh -- declare Stem
 
-  (c) 1996--1999 Han-Wen Nienhuys
+  (c) 1996--2000 Han-Wen Nienhuys
 */
 
 #ifndef STEM_HH
 #define STEM_HH
 
-#include "item.hh"
-#include "array.hh"
-#include "moment.hh"
-#include "molecule.hh"
-#include "directional-element.hh"
+#include "lily-proto.hh"
+#include "lily-guile.hh"
 #include "stem-info.hh"
+#include "drul-array.hh"
 
-/**the rule attached to the ball.
-  takes care of:
-
-  \begin{itemize}
-  \item the rule
-  \item the flag
-  \item up/down position.
-  \end{itemize}
-
-  should move beam_{left, right} into Beam
-
-  TODO.
-  
-  Stem size depends on flag.
-
-  elt properties:
-
-  beam_dir: direction of the beam (int)
-
-  dir_force: is direction explicitely specified? (bool)
-
-  /// how many abbrev beam don't reach stem?
-  int beam_gap_i_;
-
-
-  
-  */
-class Stem : public Item,
-            public Directional_element
+class Stem 
 {
-
-  /**extent of the stem (positions).
-    fractional, since Beam has to adapt them.
-    */
-  Interval yextent_;
-
 public:
-  /// log of the duration. Eg. 4 -> 16th note -> 2 flags
-  int flag_i () const;
-
-  Drul_array<int> beams_i_drul_;
-
-
-  /** 
-    don't print flag when in beam.
-    our beam, for aligning abbrev flags
-   */
-  Beam* beam_l () const;
-  Note_head * first_head () const;
-  Stem ();
-    
-  /// ensure that this Stem also encompasses the Notehead #n#
-  void add_head (Rhythmic_head*n);
-
-  Real hpos_f () const;
-  Stem_info calc_stem_info () const;
-
-  Real chord_start_f () const;
-  
-  int type_i () const;
-  void set_stemend (Real);
-  Direction get_default_dir() const;
-
-  int get_center_distance(Direction) const;
-
-  void set_default_stemlen();
-  void set_default_extents();
-  void set_noteheads();
-
-  Real stem_length_f() const;
-  Real stem_end_f() const;
-  Real stem_begin_f() const;
-  Real note_delta_f () const;
-
-  bool invisible_b() const;
-    
-  /// heads that the stem encompasses (positions)
-  Interval_t<int> head_positions() const;
-
-protected:
-  Molecule flag () const;
-
-  virtual void do_pre_processing();
-  static Interval dim_callback (Dimension_cache const*);
-  virtual Molecule* do_brew_molecule_p() const;
-
-  void set_spacing_hints () ;
+  DECLARE_SCHEME_CALLBACK(brew_molecule, (SCM ));
+
+  static  int flag_i (Score_element*) ;
+  static int beam_count (Score_element*,Direction) ;
+  static void set_beaming (Score_element*,int,  Direction d);
+  static Score_element * beam_l (Score_element*);
+  static Score_element * first_head (Score_element*) ;
+  static Drul_array<Score_element*> extremal_heads (Score_element*);
+  static Score_element * support_head (Score_element*) ;
+  static void add_head (Score_element*me, Score_element*n);
+  static Stem_info calc_stem_info (Score_element *) ;
+  static Real chord_start_f (Score_element *) ;
+  static Direction get_direction (Score_element*) ;
+  static int type_i (Score_element *) ;
+  static void set_stemend (Score_element *,Real);
+  static Direction get_default_dir(Score_element *) ;
+  static int get_center_distance(Score_element *,Direction) ;
+  static int heads_i (Score_element *) ;
+  static bool invisible_b(Score_element *) ;
+  static Interval head_positions(Score_element *) ;
+  static Real get_default_stem_end_position (Score_element*me) ;
+  static void position_noteheads(Score_element*);
+  static Real stem_end_position (Score_element*) ;
+  DECLARE_SCHEME_CALLBACK(off_callback, (SCM element, SCM axis));
+  static Molecule flag (Score_element*);
+  DECLARE_SCHEME_CALLBACK(before_line_breaking, (SCM ));
+  DECLARE_SCHEME_CALLBACK(dim_callback, (SCM smob, SCM axis));
+  static bool has_interface (Score_element*);
+  static void set_interface (Score_element*);
+
+  static void set_spacing_hints (Score_element*me) ;
 };
 #endif