#!/bin/sh

if [ $# -lt 2 ]; then
  echo "Usage:"
  echo "  e_bggen.sh source_image_file.jpg/.png output_file.edj [-q N] [-c]"
  echo ""
  echo "where 'source_image_file.jpg/.png' is the source image,"
  echo "'output_file.edj' is the output file to produce and then optional"
  echo "options of -q N for quality (where N is between 1 and 100), or the"
  echo "-c option which forces compressed lossless encoding."
  exit -1
fi

BG=$1
OUT=$2

# internal values
QUAL=90
ENC="LOSSY $QUAL"

# options
if [ "$3" = "-q" ]; then
  QUAL="$4"
  ENC="LOSSY $QUAL"
fi
if [ "$3" = "-c" ]; then
  ENC="COMP"
fi

cat <<EOF > t.edc
images { image: "$BG" $ENC; } collections { group { name: "desktop/background";
parts { part { name: "background"; description { state: "default" 0.0;
image { normal: "$BG"; } } } } } }
EOF

edje_cc -v t.edc $OUT
rm t.edc