/*
stem.hh -- declare Stem
- (c) 1996--2000 Han-Wen Nienhuys
+ (c) 1996--2002 Han-Wen Nienhuys
*/
#ifndef STEM_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:
- static SCM brew_molecule (SCM);
-
- /// log of the duration. Eg. 4 -> 16th note -> 2 flags
- static int flag_i (Score_element*) ;
- static int beam_count (Score_element*,Direction) ;
- static void set_beaming (Score_element*,int, Direction d);
- /**
- don't print flag when in beam.
- our beam, for aligning abbrev flags
- */
- 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*) ;
-
- /// ensure that this Stem also encompasses the Notehead #n#
- 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 *) ;
-
- /// heads that the stem encompasses (positions)
- 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*) ;
- static SCM off_callback (SCM element, SCM axis);
- static Molecule flag (Score_element*);
- static SCM before_line_breaking (SCM);
- static Interval dim_callback (Score_element *,Axis);
- static bool has_interface (Score_element*);
- static void set_interface (Score_element*);
-
- static void set_spacing_hints (Score_element*me) ;
+ DECLARE_SCHEME_CALLBACK (brew_molecule, (SCM ));
+
+ static Array<int> note_head_positions (Grob*);
+ static int flag_i (Grob*) ;
+ static int beam_count (Grob*,Direction) ;
+ static void set_beaming (Grob*,int, Direction d);
+ static Grob * beam_l (Grob*);
+ static Grob * first_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 calc_stem_info (Grob *) ;
+ static Real chord_start_f (Grob *) ;
+ static Direction get_direction (Grob*) ;
+ static int type_i (Grob *) ;
+ static void set_stemend (Grob *,Real);
+ static Direction get_default_dir (Grob *) ;
+ static int get_center_distance (Grob *,Direction) ;
+ static int heads_i (Grob *) ;
+ static bool invisible_b (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*) ;
+ DECLARE_SCHEME_CALLBACK (off_callback, (SCM element, SCM axis));
+ static Molecule flag (Grob*);
+ DECLARE_SCHEME_CALLBACK (before_line_breaking, (SCM ));
+ DECLARE_SCHEME_CALLBACK (dim_callback, (SCM smob, SCM axis));
+ DECLARE_SCHEME_CALLBACK (height, (SCM,SCM));
+ static bool has_interface (Grob*);
+ static void set_interface (Grob*);
+
+ static void set_spacing_hints (Grob*me) ;
};
#endif