rotzoomer - animated rotations and scalings of portions of the screen


rotzoomer [-display host:display.screen] [-move | -no-move] [-delay millisecs] [-duration secs] [-n count] [-shm | -no-shm] [-window] [-root] [-install] [-visual visual] [-fps]


The rotzoomer program grabs an image, then picks rectangles and draws scaled and rotated animations of that section.

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.


rotzoomer accepts the following options:
-window Draw on a newly-created window. This is the default.
-root Draw on the root window.
-install 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.
-delay milliseconds
 How much of a delay should be introduced between steps of the animation. Default 10, or about 1/100th second.
-duration seconds
 How long to run before loading a new image. Default 120 seconds.
-move Make the rectangles should wander around the screen.
-no-move Make the rectangles be stationary. This is the default.
-n count How many rectangles to animate simultaneously. Default 2.
-no-shm Disable use of the SHM extension, even if it appears to be available.
-fps Display the current frame rate and CPU load.


DISPLAY to get the default host and display number.
 to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.


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


Copyright © 2001 by Claudio Matsuoka. 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.


Claudio Matsuoka <>

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