#!/bin/bash
# asciiview - an ascii art image browser script. Front end for aview/aaflip

clear()
{
  kill $! 2>/dev/null
  if [ -n $ATMPDIR -a -d $ATMPDIR ]; then
	rm -f $ATMPDIR/aview$$.pgm 2>/dev/null && rmdir $ATMPDIR 2>/dev/null
  else
	echo "Cannot remove temporary directory $ATMPDIR"
	exit 1
  fi
}
myconvert()
{
   if anytopnm $1 >$ATMPDIR/aview$$.pgm 2>/dev/null ; then
     exit
   elif convert -colorspace gray $1 pgm:- 2>/dev/null ; then
     exit
   fi
   echo "Failed to convert file format to PNM by both convert and anytopnm" >&2
   while true; do
     echo "0 " 
   done
}
filenames=""
options=""
if [ "$1" = "" ]; then
  echo "$0 - an ascii art image/animation browser.

  To run this script you need aview, aaflip and NetPBM or ImageMagick.
  You may browse any graphics format supported by NetPBM or ImageMagick
  and .fli/.flc files.

  Usage:
   $0 [options] [filenames]

  type aview --help [enter] for list of options.
  "
  exit 1
fi
while [ "$1" != "" ]; do
  case $1 in
    "-font" | "-driver" | "-kbddriver" | "-mousedriver" | "-*width" | "-*height" | "-bright" | "-contrast" | "-gamma" | "-random" | "-dimmul" | "-boldmul")
      options="$options $1 $2"
      shift 
      shift 
      ;;
    -*)
      options="$options $1"
      shift
      ;;
    *) 
      filenames="$filenames $1"
      shift
      ;;
  esac
done
ATMPDIR=`mktemp -d` || exit 1 
trap clear 0
mkfifo $ATMPDIR/aview$$.pgm
outfile=$ATMPDIR/aview$$.pgm
for name in $filenames ; do
if test -r $name ; then
case $name in
*.fli | *.lfc | *.flic )
  PATH="$PATH:."
  aaflip $options $name
  ;;
*)
  myconvert $name >$ATMPDIR/aview$$.pgm &
  pid=$!
  PATH="$PATH:."
  aview  $options $ATMPDIR/aview$$.pgm
  kill $pid 2>/dev/null
esac
else
  echo "$name could not be opended"
fi
done