lily/clef-item.cc

   1 /*
   2   clef-item.cc -- implement Clef_item
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include <ctype.h>
  10 #include "clef-item.hh"
  11 #include "string.hh"
  12 #include "molecule.hh"
  13 #include "paper-def.hh"
  14 #include "lookup.hh"
  15 #include "clef-engraver.hh"
  16 #include "text-item.hh"
  17
  18 void
  19 Clef_item::do_pre_processing()
  20 {
  21   bool b= (break_status_dir() != RIGHT);
  22   change_b_ = b;
  23
  24   if (default_b_)
  25     {
  26       set_empty(b);
  27       transparent_b_ = b;
  28     }
  29 }
  30
  31 /*
  32   FIXME
  33 */
  34 Clef_item::Clef_item()
  35 {
  36   breakable_b_ =true;
  37   default_b_ = false;
  38   change_b_ = true;
  39   octave_dir_ = CENTER;
  40   symbol_ = "treble";
  41   y_position_i_ = -2;
  42
  43   // Ugh: This should be const, I guess.
  44   octave_marker_td_p_.set_p (new Text_def());// UGH!
  45   octave_marker_td_p_->text_str_ = "8";
  46   octave_marker_td_p_->style_str_ = "italic";
  47 }
  48
  49
  50
  51
  52 Molecule*
  53 Clef_item::brew_molecule_p() const
  54 {
  55   String t = symbol_;
  56   if  (change_b_)
  57     t += "_change";
  58   Atom s = lookup_l ()->clef (t);
  59   Molecule*output = new Molecule (Atom (s));
  60   output->translate_axis (paper()->internote_f () * y_position_i_, Y_AXIS);
  61   if (octave_dir_) {
  62     Molecule octave_marker = Molecule(octave_marker_td_p_->get_atom(paper(),
  63                                                                 CENTER));
  64     Real offset = output->extent()[Y_AXIS][octave_dir_]
  65                    - octave_marker.extent()[Y_AXIS][- octave_dir_];
  66     if (octave_dir_ == DOWN)
  67       offset += octave_marker.extent()[Y_AXIS][UP] * 0.35 ;
  68     octave_marker.translate_axis (offset, Y_AXIS);
  69     output->add_molecule (octave_marker);
  70   }
  71   return output;
  72 }
  73
  74
  75
  76
  77 #include "pointer.tcc"
  78 template class P<Text_def>;     // ugh
  79
  80