#!/bin/sh

#  thumbnef - Copyright 2004 Brian Ristuccia
#
#  Create freedesktop.org style thumbnails from .nef files in current
#  working directory. (Causes gimp preview and konqueror icons to work).
#
#  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.

umask 077

TEXTFILE=`tempfile`

for f in *.nef
do
 URI=file://`pwd`/"$f"
 HASH=$(echo -n $URI| md5sum|cut -d ' ' -f 1)
 FILENAME=$HOME/.thumbnails/normal/$HASH.png

 if [ $FILENAME -ot $f ] 
 then

  echo "Thumbnailing $f"
  MTIME=`date -r "$f" +%s`

  TEMPNAME=$FILENAME.$HOSTNAME.$$
 
  echo "Thumb::URI $URI" > $TEXTFILE
  echo "Thumb::MTime $MTIME" >> $TEXTFILE
  echo "Software thumbnefs" >> $TEXTFILE
 
  if dcraw -h -w -2 -c "$f" | convert - -resize 128x128 -depth 8 pnm:- | pnmtopng -text $TEXTFILE > $TEMPNAME
  then 
   mv -v $TEMPNAME $FILENAME
  fi
  
  rm $TEXTFILE
 else
  echo "Skipping $f"
 fi

done