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--1999 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 "text-item.hh"
  16 #include "paper-score.hh"
  17 #include "dimension-cache.hh"
  18
  19 void
  20 Clef_item::do_pre_processing()
  21 {
  22   Staff_symbol_referencer::do_pre_processing();
  23   SCM style_sym =get_elt_property ("style");
  24   String style;
  25   if (style_sym != SCM_UNDEFINED)
  26     style = ly_scm2string (style_sym);
  27
  28   if (break_status_dir() != RIGHT && style != "fullSizeChanges")
  29     symbol_ += "_change";
  30   if (style == "transparent")
  31     {
  32       set_elt_property ("transparent", SCM_BOOL_T);
  33       set_empty (true, X_AXIS);
  34     }
  35 }
  36
  37 /*
  38   FIXME
  39 */
  40 Clef_item::Clef_item()
  41 {
  42   set_elt_property ("breakable", SCM_BOOL_T);
  43
  44   symbol_ = "treble";
  45   set_position(-2);
  46 }
  47
  48 void
  49 Clef_item::do_add_processing ()
  50 {
  51   if (!break_status_dir ())     // broken stuff takes care of their own texts
  52     {
  53       Text_item *g =0;
  54
  55       SCM octave_dir = remove_elt_property ("octave-dir");
  56       if (octave_dir != SCM_UNDEFINED)
  57         {
  58           Direction d = Direction (gh_scm2int (octave_dir));
  59           g = new Text_item;
  60           pscore_l_->typeset_element (g);
  61
  62           g->text_str_ = "8";
  63           g->set_elt_property ("style", gh_str02scm ("italic"));
  64           g->set_parent (this, Y_AXIS);
  65           g->set_parent (this, X_AXIS);
  66
  67           add_dependency (g);   // just to be sure.
  68
  69           Real r = do_height ()[d] - g->extent (Y_AXIS)[-d];
  70           g->dim_cache_[Y_AXIS]->set_offset (r);
  71
  72           SCM my_vis = get_elt_property ("visibility-lambda");
  73           if (my_vis != SCM_UNDEFINED)
  74             g->set_elt_property ("visibility-lambda", my_vis);
  75
  76         }
  77
  78     }
  79 }
  80
  81 Molecule*
  82 Clef_item::do_brew_molecule_p() const
  83 {
  84   Molecule*output = new Molecule (lookup_l ()->afm_find (String ("clefs-" + symbol_)));
  85
  86   return output;
  87 }
  88
  89
  90
  91