item.hh

   1 #ifndef ITEM_HH
   2 #define ITEM_HH
   3
   4 #include "glob.hh"
   5 #include "boxes.hh"
   6 #include "string.hh"
   7 #include "tex.hh"
   8
   9 /// a symbol which is attached between two columns.
  10 struct Spanner {
  11     const PCol *left, *right;
  12     Stretchable_symbol *strets;
  13     PStaff * pstaff_;
  14     ///      clone a piece of  this spanner.
  15     Spanner *broken_at(const PCol *c1, const PCol *c2) const;
  16     /**
  17
  18     PRE
  19     c1 >= start, c2  <= stop
  20     */
  21     String TeXstring () const ;
  22     Spanner();
  23 };
  24 /** Spanner should know about the items which it should consider:
  25     e.g. slurs should be steep enough to "enclose" all those items. This
  26     is absolutely necessary for beams, since they have to adjust the
  27     length of stems of notes they encompass.
  28
  29     */
  30
  31 /// a fixed size element of the score
  32 struct Item {
  33     virtual Interval width() const;
  34     virtual Interval height() const;
  35     const PCol * col;
  36     Output *output;
  37
  38     PStaff *pstaff_;
  39     /** needed for knowing at which staff to output this item
  40     */
  41     String TeXstring () const ;
  42     Item();
  43 };
  44 /** An item must be part of a Column
  45 */
  46
  47 #endif