# Copyright (C) 1994-2021  Werner Lemberg <wl@gnu.org>
#
# 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 2 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 in doc/COPYING; if not, write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301 USA

# This script fixes the Wadalab fonts which have been created with the
# `makefont' script of the CJK package version 4.5.1 or earlier.
#
# It converts all PFB files in the current directory.


for i in *.pfb; do
  echo $i
  mv $i $i.old
  cat $i.old | \
  t1disasm | \
  awk '
    {
      sub(/001\.001/, "001.002")

      if (/%%Creation/) {
        print "%%CreationDate: 2003-Feb-07"
        next
      }

      if (/0 -160 rmoveto/ && last_is_hsbw) {
        last_is_hsbw = 0
        next
      }

      if (/hsbw/) {
        last_is_hsbw = 1
        waiting_for_Xmoveto = 1
      }
      else
        last_is_hsbw = 0

      if (waiting_for_Xmoveto) {
        if (/rmoveto/) {
          printf "\t%d %d rmoveto\n", $1, $2 - 160
          waiting_for_Xmoveto = 0
          next
        }
        else if (/vmoveto/) {
          printf "\t%d vmoveto\n", $1 - 160
          waiting_for_Xmoveto = 0
          next
        }
        else if (/hmoveto/) {
          printf "\t%d %d rmoveto\n", $1, -160
          waiting_for_Xmoveto = 0
          next
        }
      }

      if (/moveto/)
        print "\tclosepath"

      if (/hstem/) {
        printf "\t%d %d hstem\n", $1 - 160, $2
        next
      }

      print
    }
  ' | \
  t1asm > $i
  rm $i.old
done