#!/bin/sh

VERSION='$Id: foo2zjs-pstops.sh,v 1.8 2007/10/30 20:14:36 rick Exp $'

PROGNAME="$0"

usage() {
	cat <<EOF
NAME
    `basename $PROGNAME` - Add PS code for foo2*-wrapper

SYNOPSIS
    `basename $PROGNAME` [options] [file]

DESCRIPTION
    Add PS code for foo2zjs-wrapper.

OPTIONS
    -n		Neuter CUPS cupsPSLevel2
    -w		Accurate screens and Well Tempered Screens code
    -D lvl	Debug level
EOF

	exit 1
}

#
#       Report an error and exit
#
error() {
	echo "`basename $PROGNAME`: $1" >&2
	exit 1
}

debug() {
	if [ $DEBUG -ge $1 ]; then
	    echo "`basename $PROGNAME`: $2" >&2
	fi
}

#
#       Process the options
#
DEBUG=0
ACCURATE=0
CIECOLOR=0
NIXCUPS=0
WTS=0
while getopts "acnwD:Vh?" opt
do
	case $opt in
	a)	ACCURATE=1;;
	c)	CIECOLOR=1;;
	n)	NIXCUPS=1;;
	w)	WTS=1;;
	D)	DEBUG="$OPTARG";;
	V)	echo "$VERSION"; exit 0;;
	h|\?)	usage;;
	esac
done
shift `expr $OPTIND - 1`

if [ $NIXCUPS = 1 ]; then
    n='s#^[^/]*cupsPSLevel2#false#'
else
    n=
fi

if [ $WTS = 1 ]; then
    w='/%%Page: *[(]*1[)]* / i\
	<< /UseWTS true >> setuserparams \
	<<\
	    /AccurateScreens true\
	    /HalftoneType 1\
	    /HalftoneName (Round Dot Screen) cvn\
	    /SpotFunction { 180 mul cos exch 180 mul cos add 2 div}\
	    /Frequency 137\
	    /Angle 37\
	>> sethalftone
        '
else
    w=
fi

#
#	Main Program
#
sed \
    -e "$a" \
    -e "$w" \
    -e "$n" \
    $@
