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[lilypond.git] / lily / include / grid-line-interface.hh
1 /*
2   grid-line-interface.hh -- declare Grid_line_interface
3
4   source file of the GNU LilyPond music typesetter
5
6   (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
7
8 */
9
10 #ifndef GRID_LINE_INTERFACE_HH
11 #define GRID_LINE_INTERFACE_HH
12
13 #include "lily-proto.hh"
14 #include "lily-guile.hh"
15
16 class Grid_line_interface
17 {
18 public:
19   static void add_grid_point (Grob *me, Grob *b);
20   DECLARE_SCHEME_CALLBACK (print, (SCM));
21   DECLARE_SCHEME_CALLBACK (width_callback, (SCM, SCM));
22   static bool has_interface (Grob *);
23 };
24
25 class Grid_point_interface
26 {
27 public:
28   static bool has_interface (Grob *);
29 };
30
31 #endif /* GRID_LINE_INTERFACE_HH */
32