NAME¶

droste - screen saver.

SYNOPSIS¶

droste [--display host:display.screen] [--visual visual] [--window] [--root] [--delay number] [--duration seconds] [--speed ratio] [--r1 ratio] [--r2 ratio] [--fps]

DESCRIPTION¶

Mise en abyme: infinite spiral recursion within images.

Works best with images that have a central circular feature.

OPTIONS¶

--visual visual

Specify which visual to use. Legal values are the name of a visual class, or the id number (decimal or hex) of a specific visual.

--window

Draw on a newly-created window. This is the default.

--root

Draw on the root window.

--delay number

Per-frame delay, in microseconds. Default: 20000 (0.02 seconds).

--duration number

How long until loading a new image, in seconds. Default: 2 minutes.

--speed number

Speed of zooming into the image. 2.0 means twice as fast, 0.5 means half as fast. Negative to zoom out.

--r1 number

Inner radius of the spiral. Default: 0.2.

--r2 number

Outer radius of the spiral. Default: 0.7.

--fps | --no--fps

Whether to show a frames-per-second display at the bottom of the screen.

ENVIRONMENT¶

DISPLAY

to get the default host and display number.

XENVIRONMENT

to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.

XSCREENSAVER_WINDOW

The window ID to use with --root.

SEE ALSO¶

X(1), xscreensaver(1)

COPYRIGHT¶

Copyright © 2023 by Jamie Zawinski. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. No representations are made about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

AUTHOR¶

Jamie Zawinski.