hdr/stem.hh

   1 /*
   2   stem.hh -- declare Stem
   3
   4   (c) 1996,97 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef STEM_HH
   8 #define STEM_HH
   9 #include "item.hh"
  10 #include "varray.hh"
  11 #include "moment.hh"
  12
  13
  14 /**the rule attached to the ball.
  15   takes care of:
  16
  17   \begin{itemize}
  18   \item the rule
  19   \item the flag
  20   \item up/down position.
  21   \end{itemize}
  22   */
  23
  24 struct Stem : Item {
  25     /// heads that the stem encompasses (positions)
  26     int minnote, maxnote;
  27
  28     /// false if in beam
  29     bool print_flag;
  30
  31     int beams_left;
  32     int beams_right;
  33
  34     /// needed for determining direction/length
  35     int staff_center;
  36
  37
  38     /**extent of the stem (positions).
  39       fractional, since Beam has to adapt them.
  40       */
  41
  42     Real bot, top;
  43     Real stemlen;
  44
  45     /// flagtype? 4 none, 8 8th flag, 0 = beam.
  46     int flag;
  47
  48
  49     /**
  50       geen gedonder, jij gaat onder.
  51        -1 stem points down, +1: stem points up
  52        */
  53
  54     int dir;
  55     Real stem_xoffset;
  56
  57     Array<Notehead*> heads;
  58
  59     /* *************** */
  60     Stem(int center); //, Moment duration);
  61
  62     /// ensure that this Stem also encompasses the Notehead #n#
  63     void add(Notehead*n);
  64
  65     NAME_MEMBERS(Stem);
  66
  67     Real hindex()const;
  68     void do_print() const;
  69     void set_stemend(Real);
  70     int get_default_dir();
  71     void set_default_dir();
  72     void set_default_stemlen();
  73     void set_default_extents();
  74     void set_noteheads();
  75     void do_pre_processing();
  76
  77     Interval width() const;
  78
  79     Molecule* brew_molecule_p() const;
  80 };
  81 #endif