Add penalty to interface.

[lilypond.git] / lily / virtual-font-metric.cc

diff --git a/lily/virtual-font-metric.cc b/lily/virtual-font-metric.cc
index ba4580e92992bb9046d667c4eb3ad7919a75c363..f4305a1cb9ac5de35521b2d440ccb552e58e634c 100644 (file)
--- a/lily/virtual-font-metric.cc
+++ b/lily/virtual-font-metric.cc
@@ -17,19 +17,38 @@ source file of the GNU LilyPond music typesetter
 /*
   passing DEF is ughish. Should move into paperdef?
   */
-Virtual_font_metric::Virtual_font_metric (SCM name_list, 
-                                         Real mag,Paper_def*def)
+Virtual_font_metric::Virtual_font_metric (SCM font_list)
 {
   font_list_ = SCM_EOL;
   SCM *tail = &font_list_;
-  for (SCM s = name_list; gh_pair_p (s); s = gh_cdr (s))
+
+  SCM mag = SCM_EOL;
+  SCM name_list = SCM_EOL;
+  SCM *name_tail = &name_list;
+  
+  for (SCM s = font_list; is_pair (s); s = ly_cdr (s))
     {
-      SCM nm = gh_car (s);
+      if (Font_metric *fm = unsmob_metrics (ly_car (s)))
+       {
+         *tail =  scm_cons (ly_car (s),SCM_EOL);
+         tail = SCM_CDRLOC (*tail);
 
-      Font_metric *fm = def->find_font (nm, mag);
-      *tail =  scm_cons (fm->self_scm (),SCM_EOL);
-      tail = SCM_CDRLOC (*tail);
+         if (!is_number (mag))
+           /* Ugh.  */
+           mag = ly_cdr (fm->description_);
+
+         *name_tail = scm_cons (ly_car (fm->description_), SCM_EOL);
+         name_tail = SCM_CDRLOC (*name_tail);
+       }
     }
+
+  description_ = scm_cons (name_list, mag);
+}
+
+Real 
+Virtual_font_metric::design_size () const
+{
+  return unsmob_metrics (ly_car (font_list_))-> design_size ();
 }
 
 void
@@ -42,11 +61,8 @@ int
 Virtual_font_metric::count () const
 {
   int k = 0;
-  for (SCM s = font_list_; gh_pair_p (s); s = gh_cdr (s))
-    {
-      k+= unsmob_metrics (gh_car (s))->count ();
-    }
-
+  for (SCM s = font_list_; is_pair (s); s = ly_cdr (s))
+      k += unsmob_metrics (ly_car (s))->count ();
   return k;
 }
 
@@ -54,15 +70,13 @@ Stencil
 Virtual_font_metric::find_by_name (String glyph) const
 {
   Stencil m;  
-  for (SCM s = font_list_; m.is_empty () && gh_pair_p (s); s = gh_cdr (s))
+  for (SCM s = font_list_; m.is_empty () && is_pair (s); s = ly_cdr (s))
     {
-      m = unsmob_metrics (gh_car (s))->find_by_name (glyph);
+      m = unsmob_metrics (ly_car (s))->find_by_name (glyph);
     }
 
   return m;
 }
-  
-  
 
 Box
 Virtual_font_metric::get_ascii_char (int)  const
@@ -78,22 +92,17 @@ Virtual_font_metric::get_ascii_char_stencil (int )  const
   return Stencil ();
 }
 
-
 Offset
 Virtual_font_metric::get_indexed_wxwy (int code)  const
 {
   int total = 0;
-  for (SCM s = font_list_; gh_pair_p (s); s = gh_cdr (s))
+  for (SCM s = font_list_; is_pair (s); s = ly_cdr (s))
     {
-      Font_metric* fm = unsmob_metrics (gh_car (s));
+      Font_metric *fm = unsmob_metrics (ly_car (s));
       if (code < total + fm->count ())
-       {
-         return fm->get_indexed_wxwy (code - total);
-       }
+       return fm->get_indexed_wxwy (code - total);
       total += fm->count ();
     }
-
-  
   return Offset (0,0);
 }
 
@@ -101,39 +110,32 @@ Box
 Virtual_font_metric::get_indexed_char (int code)  const
 {
   int total = 0;
-  for (SCM s = font_list_; gh_pair_p (s); s = gh_cdr (s))
+  for (SCM s = font_list_; is_pair (s); s = ly_cdr (s))
     {
-      Font_metric* fm = unsmob_metrics (gh_car (s));
+      Font_metric *fm = unsmob_metrics (ly_car (s));
       if (code < total + fm->count ())
-       {
-         return fm->get_indexed_char (code - total);
-       }
+       return fm->get_indexed_char (code - total);
       total += fm->count ();
     }
-
-  
   return Box ();
 }
 
-
 int 
 Virtual_font_metric::name_to_index (String glyph) const
 {
   Stencil m;
   int total = 0; 
-  for (SCM s = font_list_; m.is_empty () && gh_pair_p (s); s = gh_cdr (s))
+  for (SCM s = font_list_; m.is_empty () && is_pair (s); s = ly_cdr (s))
     {
-      Font_metric *m =unsmob_metrics (gh_car (s));
+      Font_metric *m =unsmob_metrics (ly_car (s));
       int k = m->name_to_index (glyph);
       if (k >= 0)
        return total + k;
 
       total += m->count ();
     }
-
   return -1;
 }
-
   
 Stencil
 Virtual_font_metric::get_indexed_char_stencil (int code)  const
@@ -141,17 +143,39 @@ Virtual_font_metric::get_indexed_char_stencil (int code)  const
   Stencil  m ;  
   int total = 0;
   
-  for (SCM s = font_list_; gh_pair_p (s); s = gh_cdr (s))
+  for (SCM s = font_list_; is_pair (s); s = ly_cdr (s))
     {
-      Font_metric* fm = unsmob_metrics (gh_car (s));
+      Font_metric *fm = unsmob_metrics (ly_car (s));
       if (code < total + fm->count ())
        {
-         m = fm->get_indexed_char_stencil (code - total); // ugh.
+         /* Ugh.  */
+         m = fm->get_indexed_char_stencil (code - total);
          break; 
        }
       total += fm->count ();
     }
-
   return m;
 }
-  
+
+
+SCM
+Virtual_font_metric::get_font_list () const
+{
+  return font_list_;
+}
+
+LY_DEFINE (ly_make_virtual_font, "ly:make-virtual-font", 0, 0, 1,
+          (SCM args),
+          "Make a virtual font metric from @var{args}, a list of font objects.")
+{
+  Virtual_font_metric *fm = new  Virtual_font_metric (args);
+
+  return scm_gc_unprotect_object (fm->self_scm ());
+}
+
+String
+Virtual_font_metric::coding_scheme () const
+{
+  Font_metric *fm = unsmob_metrics (ly_car (font_list_));
+  return fm->coding_scheme ();
+}