lily/text-def.cc

   1 /*
   2   text-def.cc -- implement Text_def
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1996,1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "debug.hh"
  10 #include "lookup.hh"
  11 #include "paper-def.hh"
  12 #include "molecule.hh"
  13 #include "text-def.hh"
  14 #include "dimen.hh"
  15
  16 Direction
  17 Text_def::staff_dir () const
  18 {
  19   if (style_str_ == "finger")
  20     return UP;
  21   return DOWN;
  22 }
  23
  24 Interval
  25 Text_def::width (Paper_def * p) const
  26 {
  27   Atom a = get_atom (p,CENTER);
  28
  29   Real guess_width_f = text_str_.length_i() * a.dim_.x ().length (); // ugh
  30   Interval i (0, guess_width_f);
  31   i += - (align_i_ + 1)* i.center();
  32   return i;
  33 }
  34
  35 void
  36 Text_def::do_print() const
  37 {
  38 #ifndef NPRINT
  39   DOUT << "align " <<align_i_ << " `" << text_str_ << "'";
  40 #endif
  41 }
  42
  43 Text_def::Text_def()
  44 {
  45   align_i_ = RIGHT;
  46   style_str_ = "roman";
  47 }
  48
  49 bool
  50 Text_def::do_equal_b (General_script_def const *gdef) const
  51 {
  52   Text_def const *def= (Text_def*)gdef;
  53   return align_i_ == def->align_i_ && text_str_ == def->text_str_
  54         && style_str_ == def->style_str_;
  55 }
  56
  57 Atom
  58 Text_def::get_atom (Paper_def *p, Direction) const
  59 {
  60   return p->lookup_l()->text (style_str_, text_str_, -align_i_);
  61 }
  62
  63 void
  64 Text_def::print() const
  65 {
  66   DOUT << "Text `" << text_str_ << "\', style " <<
  67         style_str_ << "align " << align_i_ << '\n';
  68 }
  69
  70
  71 IMPLEMENT_IS_TYPE_B1(Text_def,General_script_def);