A script to convert images within a directory into edje files for E background.

imgtoedj.sh

#!/bin/sh
IMAGE_DIR=${1:-.}
OUTPUT_DIR=${2:-~/.e/e/backgrounds}
TEMPLATE='
images { image: "@IMAGE@" USER; }
collections {
   group {
      name: "e/desktop/background";
      data { item: "style" "4"; item: "noanimation" "1"; }
      max: @WIDTH@ @HEIGHT@;
      parts {
         part {
            name: "bg";
            mouse_events: 0;
            description {
               state: "default" 0.0;
               aspect: @ASPECT@ @ASPECT@;
               aspect_preference: NONE;
               image { normal: "@IMAGE@"; scale_hint: STATIC; }
            }
         }
      }
   }
}
'

IMAGE_DIR="$(realpath "$IMAGE_DIR")"
OUTPUT_DIR="$(realpath "$OUTPUT_DIR")"

cd "$IMAGE_DIR"
for FILENAME in *.{png,jpg}; do
   DIMENSION="$(identify -format "%w/%h" "$FILENAME")"
   if [ -z "$DIMENSION" ]; then
      continue
   fi

   WIDTH=$(echo $DIMENSION | cut -d/ -f1)
   HEIGHT=$(echo $DIMENSION | cut -d/ -f2)
   IMAGE="$(echo "$IMAGE_DIR/$FILENAME" | sed 's/[^[:alnum:]_-]/\\&/g')"

   if [ -z "$HEIGHT" -o "$HEIGHT" = "0" ]; then
      ASPECT="0.0"
   else
      ASPECT=$(echo "scale=9; $DIMENSION" | bc)
   fi

   echo "$TEMPLATE" | \
      sed "s/@ASPECT@/$ASPECT/g; s/@WIDTH@/$WIDTH/g; s/@HEIGHT@/$HEIGHT/g; s|@IMAGE@|$IMAGE|g" > tmp.edc

   edje_cc tmp.edc -o "$OUTPUT_DIR/${FILENAME%.*}.edj"
   rm tmp.edc
done