X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fstem.hh;h=6c97b11311dc37e4a26c213a219df7c89d775d6a;hb=1cd3b2484a4095d4e3fb6422dbc695a1a1219eea;hp=dad7e1660fbf8b2b53cac21f52590f5e002e23f9;hpb=04f01c7e890bd4f1b358378e5911fb7c117c3802;p=lilypond.git

diff --git a/lily/include/stem.hh b/lily/include/stem.hh
index dad7e1660f..6c97b11311 100644
--- a/lily/include/stem.hh
+++ b/lily/include/stem.hh
@@ -1,98 +1,53 @@
 /*
   stem.hh -- declare Stem
 
-  (c) 1996,97 Han-Wen Nienhuys
+  (c) 1996--2005 Han-Wen Nienhuys
 */
 
 #ifndef STEM_HH
 #define STEM_HH
-#include "item.hh"
-#include "varray.hh"
-#include "moment.hh"
 
+#include "lily-proto.hh"
+#include "lily-guile.hh"
+#include "stem-info.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
-  */
-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_;
-    
-    int dir_i_;
-
-    
-    /* *************** */
-    Stem(int staff_size_i);
-    
-    /// ensure that this Stem also encompasses the Notehead #n#
-    void add(Note_head*n);
-
-    NAME_MEMBERS(Stem);
-
-    Real hpos_f()const;
-    
-    void do_print() const;
-    void set_stemend(Real);
-    int get_default_dir();
-    int get_center_distance();
-    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;
-    bool chord_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 Array<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 Direction get_direction (Grob *);
+  static void set_stemend (Grob *, Real);
+  static Direction get_default_dir (Grob *);
+  static Slice Stem::beam_multiplicity (Grob *);
+  static Real thickness (Grob *);
+  static int head_count (Grob *);
+  static bool is_invisible (Grob *);
+  static Interval head_positions (Grob *);
+  static Real get_default_stem_end_position (Grob *me);
+  static void position_noteheads (Grob *);
+  static Real stem_end_position (Grob *);
+  static Stencil flag (Grob *);
+  static bool has_interface (Grob *);
+  static void set_spacing_hints (Grob *);
+
+  DECLARE_SCHEME_CALLBACK (print, (SCM));
+  DECLARE_SCHEME_CALLBACK (offset_callback, (SCM element, SCM axis));
+  DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM));
+  DECLARE_SCHEME_CALLBACK (width_callback, (SCM smob, SCM axis));
+  DECLARE_SCHEME_CALLBACK (height, (SCM, SCM));
+
+private:
+  static void calc_stem_info (Grob *);
 };
 #endif