#!/bin/sh
#
# Given a shaped image, create a color image with a highlight shading.
#
INPUT=$1
COLOR=$2
OUTPUT=$3

convert $INPUT -matte \
        \( +clone -channel A -separate +channel -negate \
           -bordercolor black -border 5  -blur 0x2 -shade 120x30 \
           -normalize -blur 0x1  -fill $COLOR -tint 100 \) \
        -gravity center -compose Atop -composite \
        $OUTPUT

        #\( +clone -fx A +matte -bordercolor black -border 5 \