src/localkeyitem.cc

   1 #include "localkeyitem.hh"
   2 #include "molecule.hh"
   3 #include "scalar.hh"
   4 #include "lookup.hh"
   5 #include "paperdef.hh"
   6 #include "musicalrequest.hh"
   7 #include "notehead.hh"
   8 #include "misc.hh"
   9
  10 NAME_METHOD(Local_key_item);
  11
  12 Local_key_item::Local_key_item(int i)
  13 {
  14     c0_position  = i;
  15 }
  16
  17 void
  18 Local_key_item::add(Item*head_l)
  19 {
  20     support_items_.push(head_l);
  21     add_depedency(head_l);
  22 }
  23
  24 void
  25 Local_key_item::add(Melodic_req*m_l)
  26 {
  27     add(m_l->octave_i_, m_l->notename_i_, m_l->accidental_i_);
  28 }
  29 void
  30 Local_key_item::add (int o, int p , int a)
  31 {
  32     Local_acc l;
  33     l.octave = o;
  34     l.name = p;
  35     l.acc = a;
  36     accs.push(l);
  37 }
  38
  39 void
  40 Local_key_item::do_pre_processing()
  41 {
  42     accs.sort(Local_acc::compare);
  43 }
  44
  45 Molecule*
  46 Local_key_item::brew_molecule_p()const
  47 {
  48     Molecule* output = new Molecule;
  49     Molecule*octmol = 0;
  50     int lastoct = -100;
  51     for  (int i = 0; i <  accs.size(); i++) {
  52         // do one octave
  53         if (accs[i].octave != lastoct) {
  54             if (octmol){
  55                 Real dy =lastoct*7*paper()->internote();
  56                 octmol->translate(Offset(0, dy));
  57                 output->add(*octmol);
  58                 delete octmol;
  59             }
  60             octmol= new Molecule;
  61         }
  62         lastoct = accs[i].octave;
  63         Symbol s =paper()->lookup_p_->accidental(accs[i].acc);
  64         Atom a(s);
  65         Real dy = (accs[i].name + c0_position) * paper()->internote();
  66         a.translate(Offset(0,dy));
  67
  68         octmol->add_right(a);
  69     }
  70
  71     if (octmol){
  72         Real dy =lastoct*7*paper()->internote();
  73         octmol->translate(Offset(0, dy));
  74         output->add(*octmol);
  75         delete octmol;
  76     }
  77
  78     Interval head_width=itemlist_width(support_items_);
  79     output->translate(Offset(-output->extent().x.right + head_width.left ,0));
  80
  81     return output;
  82 }
  83
  84 int
  85 Local_acc::compare(Local_acc&a, Local_acc&b)
  86 {
  87     if (a.octave - b.octave)
  88         return a.octave - b.octave;
  89     if (a.name - b.name)
  90         return a.name - b.name;
  91
  92     assert(false);
  93 };