release: 1.1.42

[lilypond.git] / lily / include / span-bar.hh

diff --git a/lily/include/span-bar.hh b/lily/include/span-bar.hh
index 22a710d7f5208aaf171e4f84d5126825ac472c5f..9290b5ae357088852a4429254286d79f14f392ee 100644 (file)
--- a/lily/include/span-bar.hh
+++ b/lily/include/span-bar.hh
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 
@@ -12,26 +12,34 @@
 
 #include "bar.hh"
 
-class Span_bar : public virtual Bar
-{
-    Link_array<Score_element> spanning_l_arr_;
+/**
+   This is a barline that is spanned across other bar lines.  This is
+   the implementation of the long barlines that occur in orchestral
+   score and other multi-staff music.
 
+   TODO: Is this usable for other stuff besides barlines? We only have
+   to span a Score_element.  Perhaps this can be used for large time
+   sigs?
+*/
+class Span_bar : public Bar
+{
+  Link_array<Score_element> spanning_l_arr_;
+  Interval get_spanned_interval () const;
 public:
-    Span_bar();
+  Span_bar();
     
-    VIRTUAL_COPY_CONS(Score_element);
-    void add_bar (Bar*);
-    void set_align (Align_element *);
-
+  VIRTUAL_COPY_CONS(Score_element);
+  void add_bar (Score_element*);
+  void set_align (Align_element *);
 protected:
-    void evaluate_empty ();
-    virtual Interval do_width() const;
-    virtual void do_pre_processing();
-    virtual void do_post_processing();
-    
-    virtual void do_substitute_dependency (Score_element*,Score_element*);
-    virtual Molecule * do_brew_molecule_p() const;
-    virtual Atom get_bar_sym (Real dy) const;
+  void evaluate_empty ();
+
+  virtual Interval do_width() const;
+  virtual void do_pre_processing();
+  virtual void do_post_processing();
+  virtual Interval do_height () const;
+  virtual void do_substitute_element_pointer (Score_element*,Score_element*);
+  virtual Molecule * do_brew_molecule_p() const;
 };
 
 #endif // SPAN_BAR_HH