#!/bin/bash
#Mirror
#shutter-plugin

TEXTDOMAIN=shutter-plugins
TEXTDOMAINDIR=$SHUTTER_INTL
PLUGIN_NAME=$"Spiegel"
PLUGIN_SORT=$"effect"
PLUGIN_TIP=$"Fügt dem Bild einen einfachen Spiegeleffekt hinzu"
PLUGIN_EXT="image/png"

if [[ "${1}" = "name" ]];then
   	echo "${PLUGIN_NAME}"
    exit 0
elif [[ "${1}" = "sort" ]];then
    echo "${PLUGIN_SORT}"
    exit 0
elif [[ "${1}" = "tip" ]];then
    echo "${PLUGIN_TIP}"
    exit 0
elif [[ "${1}" = "ext" ]];then
    echo "${PLUGIN_EXT}"
    exit 0
elif [[ "${1}" = "lang" ]];then
    echo "shell"
    exit 0
fi

FILE="${1}"
WIDTH="${2}"
HEIGHT="${3}"
#FILEYTPE="${4}"
#GEO="${2}x${3}"
ABSTAND=$(echo "scale=0; $HEIGHT / 0.909" | bc -l)

convert "${FILE}" -flip unten.png
convert "${FILE}" -background none -shear -10x0 -rotate 10 oben.png
convert oben.png -bordercolor white -border 50x50 oben.png
convert -size "${WIDTH}"x128 xc:white xc:none -size "${WIDTH}"x$((${HEIGHT}-256)) gradient:white-none +swap -append overlap.png
composite overlap.png unten.png -compose CopyOpacity unten.png
convert unten.png -background none -shear -10x0 -rotate 10 unten.png
convert unten.png -channel Alpha -evaluate Divide 2.5 unten.png
convert oben.png unten.png -geometry +50+$(($ABSTAND)) -composite "${FILE}"

#cleanup
rm unten.png oben.png overlap.png

exit 0