lily/include/collision.hh

   1 /*
   2   collision.hh -- declare Collision
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9
  10 #ifndef COLLISION_HH
  11 #define COLLISION_HH
  12
  13 #include "lily-proto.hh"
  14 #include "lily-guile.hh"
  15
  16
  17 /**
  18   Resolve conflicts between various Note_columns (chords).
  19
  20   TODO
  21
  22   * multistaff support (see Chlapik: equal noteheads should be on the
  23   same hpos.)
  24
  25   * Make interface of this, similar to align-interface.
  26
  27 */
  28 class Collision                 // interface
  29 {
  30 public:
  31   static SCM automatic_shift (Grob*);
  32   static SCM forced_shift (Grob*);
  33   DECLARE_SCHEME_CALLBACK (force_shift_callback, (SCM element, SCM axis));
  34   static void do_shifts (Grob*);
  35   static void add_column (Grob*me,Grob*ncol_l);
  36 };
  37 #endif // COLLISION_HH