See the help:
i3lockr 1.1.0
Owen Walpole <owenthewizard@hotmail.com>
Distort a screenshot and run i3lock
USAGE:
i3lockr [FLAGS] [OPTIONS] [-- <i3lock>...]
FLAGS:
-h, --help Prints help information
--invert Interpret the icon as a mask, inverting masked pixels on the screenshot. Try it to see an example.
-v, --verbose Print how long each step takes, among other things. Always enabled in debug builds.
-V, --version Prints version information
OPTIONS:
--brighten <bright> Brighten the screenshot by [1, 255]. Example: 15 [aliases: bright]
--darken <dark> Darken the screenshot by [1, 255]. Example: 15 [aliases: dark]
-p, --scale <factor> Scale factor. Increases blur strength by a factor of this. Example: 2
--ignore-monitors <0,2>... Don't overlay an icon on these monitors. Useful if you're mirroring displays. Must
be comma separated. Example: 0,2 [aliases: ignore]
-i, --icon <file.png> Path to icon to overlay on screenshot.
-u, --position <945,-20>... Icon placement, "x,y" (from top-left), or "-x,-y" (from bottom-right). Has no
effect without --icon. Must be comma separated. Defaults to center if not
specified. Example: "945,-20" [aliases: pos]
-b, --blur <radius> Blur strength. Example: 10
ARGS:
<i3lock>... Arguments to pass to i3lock. Example: "--nofork --ignore-empty-password"
Items marked [NYI] are Not Yet Implemented and may function partially or not at all!