The rotzoomer program grabs an image, then picks
rectangles and draws scaled and rotated animations of that
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
for more details.
accepts the following options:
Draw on a newly-created window. This is the default.
Draw on the root window.
Install a private colormap for the window.
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.
How much of a delay should be introduced between steps of the animation.
Default 10000, or about 1/100th second.
Make the rectangles should wander around the screen.
Make the rectangles be stationary. This is the default.
How many rectangles to animate simultaniously. Default 2.
Disable use of the SHM extension, even if it appears to be available.
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.