lily/include/stem.hh

   1 /*
   2   stem.hh -- declare Stem
   3
   4   (c) 1996--2007 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef STEM_HH
   8 #define STEM_HH
   9
  10 #include "std-vector.hh"
  11 #include "lily-proto.hh"
  12 #include "stem-info.hh"
  13 #include "grob-interface.hh"
  14
  15 class Stem
  16 {
  17 public:
  18   static vector<int> note_head_positions (Grob *);
  19   static int duration_log (Grob *);
  20   static void set_beaming (Grob *, int, Direction d);
  21   static int get_beaming (Grob *, Direction d);
  22   static Spanner *get_beam (Grob *);
  23   static Grob *first_head (Grob *);
  24   static Grob *last_head (Grob *);
  25   static Drul_array<Grob *> extremal_heads (Grob *);
  26   static Grob *support_head (Grob *);
  27   static void add_head (Grob *me, Grob *n);
  28   static Stem_info get_stem_info (Grob *);
  29   static Real chord_start_y (Grob *);
  30   static void set_stemend (Grob *, Real);
  31   static Slice beam_multiplicity (Grob *);
  32   static Direction get_default_dir (Grob*);
  33   static Real thickness (Grob *);
  34   static int head_count (Grob *);
  35   static bool is_invisible (Grob *);
  36   static bool is_normal_stem (Grob *);
  37   static bool is_cross_staff (Grob *);
  38   static Interval head_positions (Grob *);
  39   static Real stem_end_position (Grob *);
  40   static Stencil flag (Grob *);
  41   static Stencil get_translated_flag (Grob*);
  42   DECLARE_GROB_INTERFACE();
  43   static void set_spacing_hints (Grob *);
  44
  45   DECLARE_SCHEME_CALLBACK (print, (SCM));
  46   DECLARE_SCHEME_CALLBACK (calc_default_direction, (SCM));
  47   DECLARE_SCHEME_CALLBACK (offset_callback, (SCM element));
  48   DECLARE_SCHEME_CALLBACK (calc_direction, (SCM));
  49   DECLARE_SCHEME_CALLBACK (calc_beaming, (SCM));
  50   DECLARE_SCHEME_CALLBACK (calc_length, (SCM));
  51   DECLARE_SCHEME_CALLBACK (calc_stem_end_position, (SCM));
  52   DECLARE_SCHEME_CALLBACK (calc_stem_info, (SCM));
  53   DECLARE_SCHEME_CALLBACK (calc_positioning_done, (SCM));
  54   DECLARE_SCHEME_CALLBACK (width, (SCM smob));
  55   DECLARE_SCHEME_CALLBACK (pure_height, (SCM, SCM, SCM));
  56   DECLARE_SCHEME_CALLBACK (height, (SCM));
  57   DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM));
  58   DECLARE_SCHEME_CALLBACK (calc_flag, (SCM));
  59 };
  60 #endif