#!/bin/sh

if [ $# -ne 2 ]; then
	cat<<EOF
Usage: ${0##*/} INPUT OUTPUT

Convert a PDF to a blurred, black & white raster image.
EOF
	exit
fi

if [ ! -f "$1" ]; then
	echo "$1 is not a valid file."
	exit
fi

if [ -e "$2" ]; then
	echo "$2 exists."
	exit
fi

convert -threshold 90% -blur 1x1 -quality 100 -flatten -density 400 "$1" "$2"