/*
- spanner.hh -- part of LilyPond
+ spanner.hh -- part of GNU LilyPond
(c) 1996,97 Han-Wen Nienhuys
*/
#ifndef SPANNER_HH
#define SPANNER_HH
-#include "proto.hh"
-#include "staff-elem.hh"
+#include "lily-proto.hh"
+#include "score-elem.hh"
+#define SPANNER_CLONE(T) VIRTUAL_COPY_CONS(T, Spanner)
+
/** a symbol which is attached between two columns. A spanner is a
symbol which spans across several columns, so its final appearance
can only be calculated after the breaking problem is solved.
is absolutely necessary for beams, since they have to adjust the
length of stems of notes they encompass.
- */
+ */
class Spanner:public virtual Score_elem {
public:
PCol *left_col_l_, *right_col_l_;
-
/* *************** */
NAME_MEMBERS(Spanner);
virtual Spanner* spanner() { return this; }
Spanner();
- Spanner *broken_at(PCol *c1, PCol *c2) const;
+ bool broken_b() const;
+ Spanner* find_broken_piece(Line_of_score*)const;
protected:
+ SPANNER_CLONE(Spanner)
+ virtual void break_into_pieces();
+ Link_array<Spanner> broken_into_l_arr_;
+
+ virtual void do_break_processing();
virtual Interval do_width()const;
- void do_print()const;
-
-
- /**
- clone a piece of this spanner.
- PRE
- c1 >= start, c2 <= stop
- */
- virtual Spanner *do_break_at( PCol *c1, PCol *c2) const=0;
+ virtual void do_print()const;
+ virtual Line_of_score*line_l()const;
};
#endif