release: 1.3.142

[lilypond.git] / lily / clef-item.cc

diff --git a/lily/clef-item.cc b/lily/clef-item.cc
index 234b85fbb4af1963ba0466d896e7f5903255bc42..d7c323ee609b38d463ecbc5e6de38aa6394c2eee 100644 (file)
--- a/lily/clef-item.cc
+++ b/lily/clef-item.cc
@@ -3,156 +3,73 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1998 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
-#include <ctype.h>
-#include "clef-item.hh"
+
+#include "clef.hh"
 #include "string.hh"
 #include "molecule.hh"
-#include "paper-def.hh"
-#include "lookup.hh"
-#include "clef-grav.hh"
-#include "text-item.hh"
+#include "item.hh"
+#include "font-interface.hh"
 
-void
-Clef_item::do_pre_processing()
+/*
+ FIXME: should use symbol for #'style.
+*/
+MAKE_SCHEME_CALLBACK (Clef,before_line_breaking,1);
+SCM
+Clef::before_line_breaking (SCM smob)
 {
-  change_b_ = ! (break_status_i() == 1);
+  Item * s = dynamic_cast<Item*> (unsmob_grob (smob));
 
-  if (default_b_)
+  SCM glyph = s->get_grob_property ("glyph-name");
+  
+  if (gh_string_p (glyph))
     {
-      set_empty(break_status_i() != 1);
-      transparent_b_ = (break_status_i() != 1);
+      String str = ly_scm2string (glyph);
+
+      if (to_boolean (s->get_grob_property ("non-default"))
+         && s->break_status_dir () != RIGHT
+         && !to_boolean (s->get_grob_property ("full-size-change")))
+       {
+         str += "_change";
+         s->set_grob_property ("glyph-name", ly_str02scm (str.ch_C ()));         
+       }
+    }
+  else
+    {
+      s->suicide ();
+      return SCM_UNSPECIFIED;
     }
-}
 
-Clef_item::Clef_item()
-{
-  breakable_b_ =true;
-  default_b_ = false;
-  change_b_ = true;
-  octave_dir_ = CENTER;
-  read ("violin");
-  // Ugh: This should be const, I guess.
-  octave_marker_td_p_ = new Text_def();
-  octave_marker_td_p_->text_str_ = "8";
-  octave_marker_td_p_->style_str_ = "italic";
+  return SCM_UNSPECIFIED;
 }
 
-/*
- * Convert input clef string to 
- * a clef symbol and a line position.
- * This would be better done in the lexer (more efficient)
- * or as a table-lookup.
- */
-void
-Clef_item::read (String t)
+bool
+Clef::has_interface (Grob* me)
 {
-  symbol_= t;
-  if (t == "violin") 
-    {
-      y_position_i_ = -2;
-    }
-  else if (t == "bass") 
-    {
-      y_position_i_ = 2;
-    }
-  else if (t == "G" || t == "G2" || t == "treble")
-    {
-      symbol_ = "violin";
-      y_position_i_ = -2;
-    }
-  else if (t == "french" || t == "G1") 
-    {
-      symbol_="violin";
-      y_position_i_ = -4;
-    }
-  else if (t == "soprano" || t == "C1") 
-    {
-      symbol_="alto";
-      y_position_i_ = -4;
-    }
-  else if (t == "mezzosoprano" || t == "C2")
-    {
-      symbol_ = "alto";
-      y_position_i_ = -2;
-    }
-  else if (t == "alto") 
-    {
-      symbol_ = "alto";
-      y_position_i_ = 0;
-    }
-  else if (t == "C3")
-    {
-      symbol_ = "alto";
-      y_position_i_ = 0;
-  }
-  else if (t == "tenor" || t == "C4") 
-  {
-      symbol_ = "alto";
-      y_position_i_ = 2;
-    }
-  else if (t == "baritone" || t == "C5")
-    {
-      symbol_ = "alto";
-      y_position_i_ = 4;
-    }
-  else if (t == "varbaritone" || t == "F3")
-    {
-      symbol_ = "bass";
-      y_position_i_ = 0;
-    }
-  else if (t == "F" || t == "F4")
-    {
-      symbol_ = "bass";
-      y_position_i_ = 2;
-    }
-  else if (t == "subbass")
-    {
-      symbol_ = "bass";
-      y_position_i_ = 4;
-    }
-  else if (isdigit(t[1]))
-         switch (t[0])
-         { // we've already dealt with plain F, G  or C clef 
-                 // position 0 is line 3.        
-         case 'G':
-         case 'g':
-                 symbol_ = "violin";
-                 y_position_i_ =   2 * (t[1] - '0') - 6;
-                 break;
-         case 'F':
-         case 'f':
-                 symbol_ = "bass";
-                 y_position_i_ = 2 * (t[1] - '0') - 6;
-                 break;
-         }
+  return me->has_interface (ly_symbol2scm ("clef-interface"));
 }
 
+
 void
-Clef_item::read (Clef_engraver const &k)
+Clef::set_interface (Grob* me)
 {
-  read (k.clef_type_str_);
-  octave_dir_ = k.octave_dir_;
+  me->set_interface (ly_symbol2scm ("clef-interface"));
 }
 
-Molecule*
-Clef_item::brew_molecule_p() const
+MAKE_SCHEME_CALLBACK (Clef,brew_molecule,1)
+SCM
+Clef::brew_molecule (SCM smob) 
 {
-  String t = symbol_;
-  if  (change_b_)
-    t += "_change";
-  Atom s = paper()->lookup_l ()->clef (t);
-  Molecule*output = new Molecule (Atom (s));
-  output->translate_axis (paper()->internote_f () * y_position_i_, Y_AXIS);
-  if (octave_dir_)
-    output->add_at_edge (Y_AXIS, 
-                        octave_dir_,
-                        Molecule(octave_marker_td_p_->get_atom(paper(), 
-                                                               CENTER)));
-  return output;
+  Grob * sc = unsmob_grob (smob);
+  SCM glyph = sc->get_grob_property ("glyph-name");
+  if (gh_string_p (glyph))
+    {
+      return Font_interface::get_default_font (sc)->find_by_name (String (ly_scm2string (glyph))).smobbed_copy ();
+    }
+  else
+    {
+      return SCM_EOL;
+    }
 }
-
-
-IMPLEMENT_IS_TYPE_B1(Clef_item,Item);