ardshdw

#!/bin/sh
# Adds a dropshadow to the image
# -background white for .jpgs
# -background none for others

FIN=$1
FOUT=$(echo $1 | sed -e 's/.\(jpg\|jpeg\|png\|tif\)$//i')-shadow.$(echo $1 | sed -e 's/.*.\(jpg\|jpeg\|png\|tif\)$/\1/i')
 
#Uncomment the next line if you want to "mogrify" the input file.
#FOUT=$FIN
 
# Change this viewer if you don't have gpicview on your system.
VIEWER=feh
if [[ ! -e $FIN ]]; then
  echo "$FIN" is neither a file or directory
elif [[ $FIN == *.jpg ]] || [[ $FIN == *.jpeg ]]; then
  if [ ! -z $2 ] ; then 
    convert $FIN -frame $2 $FOUT
    FIN=$FOUT
  fi
  convert $FIN \( +clone  -background black  -shadow 150x30+0+0 \) +swap -background white -layers merge +repage $FOUT
  echo "Added shadow to: $FOUT"
  $VIEWER $FOUT
else
  if [ ! -z $2 ] ; then 
    convert $FIN -frame $2 $FOUT
    FIN=$FOUT
  fi
  convert $FIN \( +clone  -background black  -shadow 150x30+0+0 \) +swap -background none -layers merge +repage $FOUT
  echo "Added shadow to: $FOUT"
  $VIEWER $FOUT
fi