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 Interval
  17 Text_def::width (Paper_def * p) const
  18 {
  19   Atom a = get_atom (p,CENTER);
  20
  21   Real guess_width_f = text_str_.length_i() * a.dim_.x ().length (); // ugh
  22   Interval i (0, guess_width_f);
  23   i += - (align_i_ + 1)* i.center();
  24   return i;
  25 }
  26
  27 void
  28 Text_def::do_print() const
  29 {
  30 #ifndef NPRINT
  31   DOUT << "align " <<align_i_ << " `" << text_str_ << "'";
  32 #endif
  33 }
  34
  35 Text_def::Text_def()
  36 {
  37   align_i_ = 1;                 // right
  38   style_str_ = "roman";
  39 }
  40
  41 bool
  42 Text_def::do_equal_b (General_script_def const *gdef) const
  43 {
  44   Text_def const *def= (Text_def*)gdef;
  45   return align_i_ == def->align_i_ && text_str_ == def->text_str_
  46         && style_str_ == def->style_str_;
  47 }
  48
  49 Atom
  50 Text_def::get_atom (Paper_def *p, Direction) const
  51 {
  52   return p->lookup_l()->text (style_str_, text_str_, -align_i_);
  53 }
  54
  55 void
  56 Text_def::print() const
  57 {
  58   DOUT << "Text `" << text_str_ << "\', style " <<
  59         style_str_ << "align " << align_i_ << '\n';
  60 }
  61
  62
  63 IMPLEMENT_IS_TYPE_B1(Text_def,General_script_def);