lily/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(Key_register const & key_reg_r)
  22 {
  23     assert(!key_reg_r.key_.multi_octave_b_);
  24     const Array<int> &idx_arr =key_reg_r.accidental_idx_arr_;
  25     for (int i = 0 ; i< idx_arr.size(); i++) {
  26         int note = idx_arr[i];
  27         int acc = key_reg_r.key_.oct(0).acc(note);
  28
  29         add(note, acc);
  30     }
  31 }
  32
  33 void
  34 Key_item::set_c_position(int c0)
  35 {
  36     int octaves =(abs(c0) / 7) +1 ;
  37     c_position=(c0 + 7*octaves)%7;
  38 }
  39
  40
  41 void
  42 Key_item::add(int p, int a)
  43 {
  44     if ((a<0 && p>FLAT_TOP_PITCH) ||
  45         (a>0 && p>SHARP_TOP_PITCH)) {
  46       p -= 7; /* Typeset below c_position */
  47     }
  48     pitch.push(p);
  49     acc.push(a);
  50 }
  51
  52
  53 Molecule*
  54 Key_item::brew_molecule_p()const
  55 {
  56     Molecule*output = new Molecule;
  57     Real inter = paper()->internote();
  58
  59     for (int i =0; i < pitch.size(); i++) {
  60         Symbol s= paper()->lookup_l()->accidental(acc[i]);
  61         Atom a(s);
  62         a.translate(Offset(0,(c_position + pitch[i]) * inter));
  63         Molecule m(a);
  64         output->add_right(m);
  65     }
  66     Molecule m(paper()->lookup_l()->fill(Box(
  67         Interval(0, paper()->note_width()),
  68         Interval(0,0))));
  69     output->add_right(m);
  70     return output;
  71 }
  72 IMPLEMENT_STATIC_NAME(Key_item);