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1 /*
2   gregorian-ligature-engraver.hh -- declare Gregorian_ligature_engraver
3
4   source file of the GNU LilyPond music typesetter
5
6   (c) 2003--2006 Juergen Reuter <reuter@ipd.uka.de>
7 */
8 #ifndef GREGORIAN_LIGATURE_ENGRAVER_HH
9 #define GREGORIAN_LIGATURE_ENGRAVER_HH
10
11 #include "coherent-ligature-engraver.hh"
12
13 class Gregorian_ligature_engraver : public Coherent_ligature_engraver
14 {
15   Stream_event *pes_or_flexa_req_;
16
17 public:
18   // no TRANSLATOR_DECLARATIONS (Gregorian_ligature_engraver) needed
19   // since this class is abstract
20
21 protected:
22   Gregorian_ligature_engraver ();
23
24   virtual void listen_pes_or_flexa (Stream_event *ev);
25   virtual void build_ligature (Spanner *ligature, vector<Grob_info> primitives);
26   virtual void transform_heads (Spanner *ligature,
27                                 vector<Grob_info> primitives) = 0;
28   void stop_translation_timestep ();
29 };
30
31 #endif // GREGORIAN_LIGATURE_ENGRAVER_HH