make_frac.ff

/*
 * Copyright (C) 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 script makes vulgar fraction

upper_digit = $1
hoff1 = $2
voff1 = $3
lower_glyph = $4
hoff2 = $5
voff2 = $6
fraction = $7
hofff = $8
vofff = $9
final_glyph = $10
width = $11

if (InFont(upper_digit) && InFont(lower_glyph) && InFont(fraction)) 
 if ( WorthOutputting(upper_digit) && WorthOutputting(lower_glyph) && WorthOutputting(fraction) )
  if (!InFont(final_glyph)) 
   new_glyph.ff(final_glyph)
  endif
  if ( WorthOutputting(final_glyph) )
   return
  endif

  Select(upper_digit)
  CopyReference()
  Select(final_glyph)
  PasteWithOffset(hoff1,voff1)

  Select(lower_glyph)
  CopyReference()
  Select(final_glyph)
  PasteWithOffset(hoff2,voff2)

  Select(fraction)
  CopyReference()
  Select(final_glyph)
  PasteWithOffset(hofff,vofff)
  SetWidth(width)
  RoundToInt()

 endif
endif