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Man Pages


Manual Reference Pages  -  DISTORT (6)

NAME

distort - distort the content of the screen in interesting ways

CONTENTS

Synopsis
Description
Options
Environment
See Also
Copyright
Authors

SYNOPSIS

distort [-root] [-window] [-mono] [-install] [-noinstall] [-visual visual] [-window-id window-id] [-delay usecs] [-duration secs] [-radius pixels] [-speed int] [-number int] [-swamp] [-bounce] [-reflect] [-vortex] [-magnify] [-blackhole] [-slow] [-shm] [-no-shm] [-fps]

DESCRIPTION

The distort program takes an image and lets circular zones of distortion wander randomly around it, distorting what is under them. The mode of distortion and the overall behaviour of the zones can be influenced in various ways.

The image that it manipulates will be grabbed from the portion of the screen underlying the window, or from the system’s video input, or from a random file on disk, as indicated by the grabDesktopImages, grabVideoFrames, and chooseRandomImages options in the ~/.xscreensaver file; see xscreensaver-demo(1) for more details.

OPTIONS

distort accepts the following options:
-root Draw on the root window.
-window Draw on a newly-created window. This is the default.
-mono If on a color display, pretend we’re on a monochrome display.
-install Install a private colormap for the window.
-noinstall Don’t install a private colormap for the window.
-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-id window-id
  Specify which window id to use.
-delay usecs
  Specify the delay between subsequent animation frames in microseconds.
-duration seconds
  How long to run before loading a new image. Default 120 seconds.
-radius pixels
  Specify the radius of the distortion zone in pixels.
-speed int Specify the speed at which the distortion zone moves, where 0 is slow, higher numbers are faster (10 is pretty fast.)
-number int
  Specify the number of distortion zones.
-swamp Instead of letting zones wander around, let small zones pop up like bubbles in a swamp and leave permanent distortion. WARNING: this option uses a colossal amount of memory: keep the -radius small when using -swamp.
-bounce Let zones wander around and bounce off the window border. This is the default.
-reflect Mode of distortion that resembles reflection by a cylindrical mirror.
-vortex Whirlpool-shaped distortion. Way cool.
-magnify This mode of distortion looks like a magnifying glass.
-blackhole Suck your pixels beyond the event horizon. Favourite mode of Dr Stephen Hawking.
-slow Make the zone wander slower.
-shm Use shared memory extension.
-no-shm Don’t use shared memory extension.
-fps Display the current frame rate and CPU load.

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.

SEE ALSO

X(1), xscreensaver(1), xscreensaver-demo(1), xscreensaver-getimage(1)

COPYRIGHT

Copyright © 1998 by Jonas Munsin and 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.

AUTHORS

Jonas Munsin <jmunsin@iki.fi> and Jamie Zawinski <jwz@jwz.org>. This manual page by Matthias Warkus <mawa@iname.com>, 17-Oct-1999.
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X Version 11 DISTORT (6) 5.12 (15-Sep-2010)

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