lily/text-item.cc

   1 /*
   2   text-item.cc -- implement Text_item
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9
  10 #include "musical-request.hh"
  11 #include "paper-def.hh"
  12 #include "text-item.hh"
  13 #include "stem.hh"
  14 #include "molecule.hh"
  15 #include "lookup.hh"
  16 #include "debug.hh"
  17
  18 Text_item::Text_item (General_script_def* tdef_l, Direction d)
  19 {
  20   dir_ = d;
  21   fat_b_ = false;
  22   tdef_p_ = tdef_l->clone ();
  23 }
  24
  25 Text_item::~Text_item ()
  26 {
  27   delete tdef_p_;
  28 }
  29
  30 void
  31 Text_item::do_pre_processing ()
  32 {
  33   if (!dir_)
  34     dir_ = DOWN;
  35 }
  36
  37 Real
  38 Text_item::get_position_f () const
  39 {
  40   // uhuh, tdef/gdef?
  41   if ( (tdef_p_->name () != Text_def::static_name ())
  42     || ( ( (Text_def*)tdef_p_)->style_str_ != "finger"))
  43     return Staff_side::get_position_f ();
  44
  45   if (!dir_)
  46     {
  47       warning (_ ("Text_item::get_position_f(): "
  48                  "somebody forgot to set my vertical direction, returning -20"));
  49       return -20;
  50     }
  51
  52   Interval v = support_height ();
  53   // add no extra: fingers should be just above note, no?
  54   return v[dir_];
  55 }
  56
  57 Interval
  58 Text_item::symbol_height () const
  59 {
  60   return tdef_p_->get_atom (paper (), dir_).dim_.y ();
  61 }
  62
  63 Molecule*
  64 Text_item::brew_molecule_p () const
  65 {
  66   Atom a (tdef_p_->get_atom (paper (), dir_));
  67
  68
  69   if (fat_b_)
  70     a.dim_[X_AXIS] = tdef_p_->width (paper ());
  71   Molecule* mol_p = new Molecule (a);
  72
  73   if (dir_<0)           // should do something better anyway.
  74     mol_p->translate_axis (-mol_p->extent ().y ().left , Y_AXIS);
  75   mol_p->translate_axis (y_, Y_AXIS);
  76
  77   return mol_p;
  78 }
  79
  80
  81 IMPLEMENT_IS_TYPE_B1 (Text_item,Item);