lily/script.cc

   1 /*
   2   script.cc --  implement Script
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9
  10 #include "debug.hh"
  11 #include "script.hh"
  12 #include "lookup.hh"
  13 #include "side-position-interface.hh"
  14 #include "paper-def.hh"
  15 #include "dimension-cache.hh"
  16
  17 Script ::Script (SCM s)
  18   : Item (s)
  19 {
  20 }
  21
  22 Molecule
  23 Script::get_molecule(Direction d) const
  24 {
  25   SCM s = get_elt_property ("molecule");
  26   assert (gh_pair_p (s));
  27
  28   SCM key = gh_car  (s);
  29   if (key == ly_symbol2scm ("feta"))
  30     {
  31       return lookup_l ()->afm_find ("scripts-" +
  32                                     ly_scm2string (index_cell (gh_cdr (s), d)));
  33     }
  34   else if (key == ly_symbol2scm ("accordion"))
  35     {
  36       return lookup_l ()->accordion (gh_cdr (s), paper_l()->get_var("interline"));
  37     }
  38
  39   else assert (false);
  40
  41   return Molecule ();
  42 }
  43
  44
  45 GLUE_SCORE_ELEMENT(Script,before_line_breaking);
  46 SCM
  47 Script::member_before_line_breaking ()
  48 {
  49   /*
  50     center my self on the note head.
  51    */
  52   Score_element * e = parent_l(X_AXIS);
  53   translate_axis (e->extent (X_AXIS).center (), X_AXIS);
  54
  55   return SCM_UNDEFINED;
  56 }
  57
  58 GLUE_SCORE_ELEMENT(Script,after_line_breaking);
  59 SCM
  60 Script::member_after_line_breaking ()
  61 {
  62   Side_position_interface i (this);
  63   Direction d =  i.get_direction ();
  64   i.set_direction (d);
  65
  66   return SCM_UNDEFINED;
  67 }
  68
  69
  70 GLUE_SCORE_ELEMENT(Script,brew_molecule);
  71
  72 SCM
  73 Script::member_brew_molecule () const
  74 {
  75   Direction dir = DOWN;
  76   SCM d = get_elt_property ("direction");
  77   if (isdir_b (d))
  78     dir = to_dir (d);
  79
  80   return get_molecule (dir).create_scheme();
  81 }
  82
  83
  84