#!/bin/bash
# A compatibility wrapper for rsvg that makes it act like rsvg-convert
usage()
{
    echo "Usage: rsvg [OPTIONS...] file.svg"
    echo "  -d, --dpi-x=<float>          pixels per inch"
    echo "  -p, --dpi-y=<float>          pixels per inch"
    echo "  -x, --x-zoom=<float>         x zoom factor"
    echo "  -y, --y-zoom=<float>         y zoom factor"
    echo "  -w, --width=<int>            width"
    echo "  -h, --height=<int>           height"
#    echo "  -q, --quality=<int>          JPEG quality"
#    echo "  -f, --format=[png, jpeg]     save format"
    echo "  -f, --format=[png]           save format"
    echo "  -o, --output=<file>          output filename"
    echo "  -v, --version                show version information"
    echo ""
    echo "Help options:"
    echo "  -?, --help                   Show this help message"
    echo "  --usage                      Display brief usage message"
}
TEMP=`getopt -s bash -o d:p:x:y:w:h:q:f:o:v \
  --long dpi-x:,dpi-y:,x-zoom:,y-zoom:,width:,height:,quality:,format:,output:,version \
  -n 'rsvg' -- "$@"`
if [ $? != 0 ]; then
    usage
    exit 1
fi
eval set -- "$TEMP"
cmd="rsvg"
output="/dev/stdout"
while true; do
    case "$1" in
	-d|--dpi-x|-p|--dpi-y|-x|--x-zoom|-y|--y-zoom|-w|--width|-h|--height)
	    cmd="$cmd $1 $2"
	    shift 2
	    ;;
	-q|--quality)
	    echo "rsvg-convert wrapper: jpeg format not supported"
	    exit 1
	    ;;
	-f|--format)
	    if [ "$2" = "png" -o -z "$2" ]; then
		cmd="$cmd $1 png"
	    else
		echo "rsvg-convert wrapper: $2 format not supported"
		exit 1
	    fi
	    shift 2
	    ;;
	-o|--output)
	    output="$2"
	    shift 2
	    ;;
	-v|--version)
	    cmd="$cmd $1"
	    shift
	    ;;
	--)
	    shift
	    break
	    ;;
	*)
	    echo "Internal error!" >&2
	    exit 1
	    ;;
    esac
done
if [ "$#" -ne 1 ]; then
    usage
    exit 1
fi
input="$1"
exec $cmd "$input" "$output"