sub_onum.ff

/*
 * Copyright (C) 2009, 2010 Andrey V. Panov 
 *
 * This program 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.
 *
 * This program 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 this program; if not, see <http://www.gnu.org/licenses/>.
 */

# This fontforge script proposed for making onum substitutions to glyphs with ".oldstyle" suffix

if ($argc == 2)
 osuffix = $1
else
 osuffix = ".oldstyle"
endif

AddLookup("Oldstyle substitutions", "gsub_single", 0, [["onum",[["cyrl",["dflt"]],["grek",["dflt"]],["latn",["dflt"]]]]])
AddLookupSubtable("Oldstyle substitutions", "Oldstyle substitutions subtable")
#Select(0u300,0u331)
SelectWorthOutputting()
foreach
 if ( WorthOutputting() )
  glyph_name = GlyphInfo("Name")
  glyph_name_cap = glyph_name + osuffix
  if (InFont(glyph_name_cap))
   if (DrawsSomething(glyph_name_cap))
    AddPosSub("Oldstyle substitutions subtable", glyph_name_cap) 
   endif
  endif
 endif
endloop