X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fstem.hh;h=b404862ee923c1fdb043b65c2f831ede6204e2e4;hb=9e6f16dddf9e21b29eed1717efe4bac6c20774ba;hp=4cf67df0e2daec57075d467984c161f6c2c9b317;hpb=2862b1027f316a2f0444fa92e441ee28acf7a463;p=lilypond.git

diff --git a/lily/include/stem.hh b/lily/include/stem.hh
index 4cf67df0e2..b404862ee9 100644
--- a/lily/include/stem.hh
+++ b/lily/include/stem.hh
@@ -1,102 +1,60 @@
 /*
   stem.hh -- declare Stem
 
-  (c) 1996,97 Han-Wen Nienhuys
+  (c) 1996--2009 Han-Wen Nienhuys
 */
 
 #ifndef STEM_HH
 #define STEM_HH
-#include "item.hh"
-#include "varray.hh"
-#include "moment.hh"
 
+#include "std-vector.hh"
+#include "lily-proto.hh"
+#include "stem-info.hh"
+#include "grob-interface.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.
-  */
-class Stem : public Item {
-    
-  Real stem_bottom_f_, stem_top_f_;
-    
-    
-  /// needed for determining direction/length
-  int staff_size_i_;
-
-  /**extent of the stem (positions).
-    fractional, since Beam has to adapt them.
-    */
-
-
-  /**
-    geen gedonder, jij gaat onder.
-    -1 stem points down, +1: stem points up
-    */
-  Real stem_xoffset_f_;
-  /**
-    store the wholes (for vapourware tremolo)
-    */
-  Link_array<Note_head> whole_l_arr_;
-  Link_array<Note_head> head_l_arr_;
-  Link_array<Note_head> rest_l_arr_;
-    
+class Stem
+{
 public:
-  /// flagtype? 4 none, 8 8th flag, 0 = beam.
-  int flag_i_;
-
-  int beams_left_i_;
-  int beams_right_i_;
-
-  /// false if in beam
-  bool print_flag_b_;
-    
-  Direction dir_;
-
-    
-  /* *************** */
-  Stem ();
-    
-  /// ensure that this Stem also encompasses the Notehead #n#
-  void add (Note_head*n);
-
-  DECLARE_MY_RUNTIME_TYPEINFO;
-
-  Real hpos_f() const;
-    
-  void do_print() const;
-  void set_stemend (Real);
-  Direction get_default_dir();
-  int get_center_distance_from_top();
-  int get_center_distance_from_bottom();
-  void set_default_dir();
-  void set_default_stemlen();
-  void set_default_extents();
-  void set_noteheads();
-
-  Real stem_length_f() const;
-  Real stem_end_f() const;
-  Real stem_start_f() const;
-
-  bool invisible_b() const;
-    
-  /// heads that the stem encompasses (positions)
-  int max_head_i() const;
-  int min_head_i() const;
-protected:
-  virtual void do_substitute_dependency (Score_elem*,Score_elem*);
-  virtual void do_pre_processing();
-  virtual Interval do_width() const;
-  Molecule* brew_molecule_p() const;
+  static vector<int> note_head_positions (Grob *);
+  static int duration_log (Grob *);
+  static void set_beaming (Grob *, int, Direction d);
+  static int get_beaming (Grob *, Direction d);
+  static Spanner *get_beam (Grob *);
+  static Grob *first_head (Grob *);
+  static Grob *last_head (Grob *);
+  static Drul_array<Grob *> extremal_heads (Grob *);
+  static Grob *support_head (Grob *);
+  static void add_head (Grob *me, Grob *n);
+  static Stem_info get_stem_info (Grob *);
+  static Real chord_start_y (Grob *);
+  static void set_stemend (Grob *, Real);
+  static Slice beam_multiplicity (Grob *);
+  static Direction get_default_dir (Grob*);
+  static Real thickness (Grob *);
+  static int head_count (Grob *);
+  static bool is_invisible (Grob *);
+  static bool is_normal_stem (Grob *);
+  static bool is_cross_staff (Grob *);
+  static Interval head_positions (Grob *);
+  static Real stem_end_position (Grob *);
+  static Stencil flag (Grob *);
+  static Stencil get_translated_flag (Grob*);
+  DECLARE_GROB_INTERFACE();
+  static void set_spacing_hints (Grob *);
+  
+  DECLARE_SCHEME_CALLBACK (print, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_default_direction, (SCM));
+  DECLARE_SCHEME_CALLBACK (offset_callback, (SCM element));
+  DECLARE_SCHEME_CALLBACK (calc_direction, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_beaming, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_length, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_stem_end_position, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_stem_info, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_positioning_done, (SCM));
+  DECLARE_SCHEME_CALLBACK (width, (SCM smob));
+  DECLARE_SCHEME_CALLBACK (pure_height, (SCM, SCM, SCM));
+  DECLARE_SCHEME_CALLBACK (height, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM));
+  DECLARE_SCHEME_CALLBACK (calc_flag, (SCM));
 };
 #endif