nu wel 58

[lilypond.git] / lily / afm.cc

diff --git a/lily/afm.cc b/lily/afm.cc
index aa569951eaa63d986d837e8cd18a766d8ba70e56..3db634c58985b7d6bd1fdeee0872ac00e012179c 100644 (file)
--- a/lily/afm.cc
+++ b/lily/afm.cc
@@ -3,26 +3,33 @@
   
   source file of the Flower Library
   
-  (c) 2000--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 2000--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 #include "afm.hh"
 #include "warn.hh"
 #include "molecule.hh"
+#include "dimensions.hh"
 
 Adobe_font_metric::Adobe_font_metric (AFM_Font_info * fi)
 {
   checksum_ = 0;
   font_inf_ = fi;
 
-  for (int i= 256; i--;)
+  for (int i= 256  >? fi->numOfChars; i--;)
     ascii_to_metric_idx_.push (-1);
   
   for (int i=0; i < fi->numOfChars; i++)
     {
       AFM_CharMetricInfo * c = fi->cmi + i;
 
-      ascii_to_metric_idx_[c->code] = i;
+      /*
+       Some TeX afm files contain code = -1. We don't know why, let's
+       ignore it.
+       
+       */
+      if (c->code >= 0)
+       ascii_to_metric_idx_[c->code] = i;
       name_to_metric_dict_[c->name] = i;
     }
 }
@@ -73,6 +80,11 @@ Adobe_font_metric::find_char_metric (String nm, bool warn) const
     return font_inf_->cmi + (*ai).second;
 }
 
+int
+Adobe_font_metric::count () const
+{
+  return font_inf_->numOfChars ;
+}
 
 Box
 Adobe_font_metric::get_char (int code) const
@@ -110,7 +122,7 @@ read_afm_file (String nm)
 
   if (ok)
     {
-      error (_f ("Error parsing AFM file: %s", nm.ch_C ()));
+      error (_f ("Error parsing AFM file: `%s'", nm.ch_C ()));
       exit (2);
     }
   fclose (f);
@@ -118,12 +130,16 @@ read_afm_file (String nm)
   return Adobe_font_metric::make_afm (fi, cs);
 }
 
-  
+
+/*
+  actually, AFMs will be printers point, usually, but our .py script dumps
+  real points.
+ */
 Box
 afm_bbox_to_box (AFM_BBox bb)
 {
-  return Box (Interval (bb.llx, bb.urx)* (1/1000.0),
-             Interval (bb.lly, bb.ury)* (1/1000.0));
+  return Box (Interval (bb.llx, bb.urx)* (1/1000.0) PT,
+             Interval (bb.lly, bb.ury)* (1/1000.0) PT);
 
 }
   
@@ -143,12 +159,16 @@ Adobe_font_metric::find_by_name (String s) const
 
   if (!cm)
     {
+      /*
+       Why don't we return empty?
+       */
+      
       Molecule m;
       m.set_empty (false);
       return m;
     }
   
-  SCM at = (gh_list (ly_symbol2scm ("char"),
+  SCM at = (scm_list_n (ly_symbol2scm ("char"),
                      gh_int2scm (cm->code),
                      SCM_UNDEFINED));