src/key-item.cc

   1 #include "key-item.hh"
   2 #include "key.hh"
   3 #include "debug.hh"
   4 #include "molecule.hh"
   5 #include "paper-def.hh"
   6 #include "lookup.hh"
   7 //#include "clef-reg.hh"
   8 #include "key-reg.hh"
   9
  10 const int FLAT_TOP_PITCH=2; /* fes,ges,as and bes typeset in lower octave */
  11 const int SHARP_TOP_PITCH=4; /*  ais and bis typeset in lower octave */
  12
  13
  14
  15 Key_item::Key_item(int c)
  16 {
  17     set_c_position(c);
  18 }
  19
  20 void
  21 Key_item::read(const Key_register& key_reg_r)
  22 {
  23     const Array<int> &idx_arr =key_reg_r.accidental_idx_arr_;
  24     for (int i = 0 ; i< idx_arr.size(); i++) {
  25         int note = idx_arr[i];
  26         int acc = key_reg_r.key_.acc(note);
  27
  28         add(note, acc);
  29     }
  30 }
  31
  32 void
  33 Key_item::set_c_position(int c0)
  34 {
  35     int octaves =(abs(c0) / 7) +1 ;
  36     c_position=(c0 + 7*octaves)%7;
  37 }
  38
  39
  40 void
  41 Key_item::add(int p, int a)
  42 {
  43     if ((a<0 && p>FLAT_TOP_PITCH) ||
  44         (a>0 && p>SHARP_TOP_PITCH)) {
  45       p -= 7; /* Typeset below c_position */
  46     }
  47     pitch.push(p);
  48     acc.push(a);
  49 }
  50
  51
  52 Molecule*
  53 Key_item::brew_molecule_p()const
  54 {
  55     Molecule*output = new Molecule;
  56     Real inter = paper()->internote();
  57
  58     for (int i =0; i < pitch.size(); i++) {
  59         Symbol s= paper()->lookup_p_->accidental(acc[i]);
  60         Atom a(s);
  61         a.translate(Offset(0,(c_position + pitch[i]) * inter));
  62         Molecule m(a);
  63         output->add_right(m);
  64     }
  65     Molecule m(paper()->lookup_p_->fill(Box(
  66         Interval(0, paper()->note_width()),
  67         Interval(0,0))));
  68     output->add_right(m);
  69     return output;
  70 }