Rename Font_metric::get_indexed_char() to

[lilypond.git] / lily / open-type-font.cc

diff --git a/lily/open-type-font.cc b/lily/open-type-font.cc
index d34654e77045eb698f96dcaedf967ac204742502..48529ef269859dc9b39a0eea9902872a04873056 100644 (file)
--- a/lily/open-type-font.cc
+++ b/lily/open-type-font.cc
@@ -1,9 +1,20 @@
 /*
-  open-type-font.cc -- implement Open_type_font
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2004--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2004--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "open-type-font.hh"
@@ -30,16 +41,18 @@ load_table (char const *tag_str, FT_Face face, FT_ULong *length)
     {
       FT_Byte *buffer = (FT_Byte *) malloc (*length);
       if (buffer == NULL)
-       error (_f ("can't allocate %lu bytes", *length));
+       error (_f ("cannot allocate %lu bytes", *length));
 
       error_code = FT_Load_Sfnt_Table (face, tag, 0, buffer, length);
       if (error_code)
-       error (_f ("can't load font table: %s", tag_str));
+       error (_f ("cannot load font table: %s", tag_str));
 
       return buffer;
     }
   else
-    programming_error ("Cannot find OpenType table.");
+    programming_error (_f ("Free type error: %s",
+                          freetype_error_string (error_code).c_str ()
+                          ));
 
   return 0;
 }
@@ -89,23 +102,24 @@ get_otf_table (FT_Face face, string tag)
 }
 
 FT_Face
-open_ft_face (string str)
+open_ft_face (string str, FT_Long idx)
 {
   FT_Face face;
-  int error_code = FT_New_Face (freetype2_library, str.c_str (), 0, &face);
+  int error_code = FT_New_Face (freetype2_library, str.c_str (), idx, &face);
 
   if (error_code == FT_Err_Unknown_File_Format)
     error (_f ("unsupported font format: %s", str.c_str ()));
   else if (error_code)
-    error (_f ("unknown error: %d reading font file: %s", error_code,
-              str.c_str ()));
+    error (_f ("error reading font file %s: %s", 
+              str.c_str (),
+              freetype_error_string (error_code).c_str ()));
   return face;
 }
 
 SCM
 Open_type_font::make_otf (string str)
 {
-  FT_Face face = open_ft_face (str);
+  FT_Face face = open_ft_face (str, 0 /* index */);
   Open_type_font *otf = new Open_type_font (face);
 
   return otf->self_scm ();
@@ -153,7 +167,7 @@ Open_type_font::attachment_point (string glyph_name) const
 }
 
 Box
-Open_type_font::get_indexed_char (size_t signed_idx) const
+Open_type_font::get_indexed_char_dimensions (size_t signed_idx) const
 {
   if (SCM_HASHTABLE_P (lily_index_to_bbox_table_))
     {
@@ -170,7 +184,8 @@ Open_type_font::get_indexed_char (size_t signed_idx) const
       char name[len];
       size_t code = FT_Get_Glyph_Name (face_, signed_idx, name, len);
       if (code)
-       warning (_f ("FT_Get_Glyph_Name() returned error: %u", unsigned (code)));
+       warning (_f ("FT_Get_Glyph_Name () Freetype error: %s",
+                    freetype_error_string (code)));
 
       SCM sym = ly_symbol2scm (name);
       SCM alist = scm_hashq_ref (lily_character_table_, sym, SCM_BOOL_F);
@@ -226,13 +241,13 @@ Open_type_font::name_to_index (string nm) const
 size_t
 Open_type_font::index_to_charcode (size_t i) const
 {
-  return ((Open_type_font *) this)->index_to_charcode_map_[i];
+  return index_to_charcode_map_.at(i);
 }
 
 size_t
 Open_type_font::count () const
 {
-  return ((Open_type_font *) this)->index_to_charcode_map_.size ();
+  return index_to_charcode_map_.size ();
 }
 
 Real
@@ -294,9 +309,10 @@ Open_type_font::glyph_list () const
       char name[len];
       size_t code = FT_Get_Glyph_Name (face_, i, name, len);
       if (code)
-       warning (_f ("FT_Get_Glyph_Name() returned error: %u", unsigned (code)));
+       warning (_f ("FT_Get_Glyph_Name () error: %s",
+                    freetype_error_string (code).c_str ()));
 
-      *tail = scm_cons (scm_makfrom0str (name), SCM_EOL);
+      *tail = scm_cons (scm_from_locale_string (name), SCM_EOL);
       tail = SCM_CDRLOC (*tail);
     }