Usage: slurp [options...]

       --help               -h           Show help message and quit.
       --display-dimensions -d           Display dimensions of selection.
       --background         -b #rrggbbaa Set background color.
       --border             -c #rrggbbaa Set border color.
       --selection          -s #rrggbbaa Set selection color.
       --choice             -B #rrggbbaa Set option box color.
       --font-family        -F s         Set the font family for the dimensions.
       --border-weight      -w n         Set border weight.
       --format             -f s         Set output format.
       --output-boxes       -o           Select a display output.
       --single-point       -p           Select a single point.
       --restrict-selection -r           Restrict selection to predefined boxes.
       --aspect-ratio       -a w:h       Force aspect ratio.