#! /bin/sh
#
# $Id: xfaceviewer,v 1.2 1999/08/02 08:21:41 blong Exp $
#
# Read a mail message on stdin and display X-Face, if one exists.
#
# See http://www.rhein.de/~roland/mutt/view-x-face for new versions.
#
# This is not the optimal way to implement X-Face support into a mailreader,
# but this works for me. I bound it to "ESC f" in my muttrc with the
# following command:
# macro	pager	\ef	"|view-x-face\n"
#
# This script needs the following tools:
# uncompface from the compface package, which can be found at
#	ftp://ftp.cs.indiana.edu/pub/faces/compface/compface.tar.Z
# icontopbm from the pbmplus or netpbm package, which you will find
# everywhere on the net.
# A pbm viewer, e.g. xli, xv or if you don't have X11 running, you may want
# to try out image2ascii, a little Shell script, which uses
# ImageMagick to convert nearly any graphics file to ASCII.
# have a look at http://www.rhein.de/~roland/mutt/image2ascii
#
#########################################################################
#
# Based on an idea of Ralf Döblitz <Doeblitz@gmx.de>
#
# Copyright (C) 1997-1998 Roland Rosenfeld <roland@spinnaker.rhein.de>
#
# 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; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#########################################################################
# Used programms:
UNCOMPFACE=uncompface	# from compface package
ICONTOPBM=icontopbm	# from pbmplus/netpbm package
# Image viewer (should be able to read from stdin!):
if [ -n "$DISPLAY" ]
then
  #VIEWER="xli stdin"	# Use xli as X11 image viewer
  VIEWER="xv -quit -"	# Use xv as X11 image viewer
else
  #VIEWER=image2ascii	# Use image2ascii as ASCII image viewer
  VIEWER=pbmtoascii
fi
sed -n -e '/^X-Face:/,/^[^ \t]/ p' $1 \
| sed -n -e 's/^X-Face://' -e '/^[ \t]/ p' \
| sed -e 's/^[ \t]\+//' \
| { echo '/* Width=48, Height=48 */'; $UNCOMPFACE; } \
| $ICONTOPBM \
| $VIEWER
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