lily/text-spanner.cc

   1 #include "molecule.hh"
   2 #include "boxes.hh"
   3 #include "text-spanner.hh"
   4 #include "text-def.hh"
   5 #include "debug.hh"
   6 #include "paper-def.hh"
   7
   8
   9
  10 void
  11 Text_spanner::set_support(Directional_spanner*d)
  12 {
  13     support = d;
  14     add_dependency(d);
  15 }
  16
  17 Text_spanner::Text_spanner()
  18 {
  19     support = 0;
  20 }
  21
  22 IMPLEMENT_STATIC_NAME(Text_spanner);
  23
  24 void
  25 Text_spanner::do_print() const
  26 {
  27     spec.print();
  28 }
  29
  30 void
  31 Text_spanner::do_post_processing()
  32 {
  33     switch(spec.align_i_) {
  34     case 0:
  35         text_off_ = support->center() +
  36             Offset(0,support->dir_i_ * paper()->internote() * 4); // todo
  37         break;
  38     default:
  39         assert(false);
  40         break;
  41     }
  42 }
  43
  44 Molecule*
  45 Text_spanner::brew_molecule_p() const
  46 {
  47     Atom tsym (spec.create_atom());
  48     tsym.translate(text_off_);
  49
  50     Molecule*output = new Molecule;
  51     output->add( tsym );
  52     return output;
  53 }
  54
  55 void
  56 Text_spanner::do_pre_processing()
  57 {
  58     right_col_l_ = support->right_col_l_;
  59     left_col_l_ = support->left_col_l_;
  60     assert(left_col_l_ && right_col_l_);
  61     spec.pdef_l_ = paper();
  62 }
  63
  64 Interval
  65 Text_spanner::height()const
  66 {
  67     return brew_molecule_p()->extent().y;
  68 }
  69
  70 Spanner*
  71 Text_spanner::do_break_at(PCol*c1, PCol*c2)const
  72 {
  73     return new Text_spanner(*this); // todo
  74 }