decayscreen - make a screen meltdown.
[-window? [-root? [-mono? [-install? [-visual ''visual''?
[-delay ''usecs''? [-mode ''mode''?
The decayscreen program creates a melting effect by
randomly shifting rectangles around the screen.
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.
decayscreen accepts the following
Draw on a newly-created window. This is the
Draw on the root window.
If on a color display, pretend we're on a monochrome
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
Slow it down.
The direction in which the image should tend to slide. Legal
values are random (meaning pick one), up,
left, right, down, upleft,
downleft, upright, downright,
shuffle (meaning perfer no particular direction),
in (meaning move things toward the center),
out (meaning move things away from the center),
melt (meaning melt straight downward), stretch
(meaning stretch the screen downward), and fuzz
(meaning go blurry instead of melty).
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
Copyright 1992 by Vivek Khera. 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