XScreenSaver(1)XScreenSaver(1)NAMExscreensaver-getimage - put some randomly-selected image
on the root window
SYNOPSISxscreensaver-getimage [-display host:display.screen]
[--verbose] window-id
DESCRIPTION
The xscreensaver-getimage program is a helper program for
the xscreensaver hacks that manipulate images. This is
not a user-level command.
This program selects a random image, and puts it on the
specified window. This image might be a snapshot of the
desktop; or a frame captured from the system's video
input; or a randomly-selected image from disk.
OPTIONSxscreensaver-getimage reads the ~/.xscreensaver file for
configuration information. It uses these settings:
grabDesktopImages
Whether it is acceptable to grab snapshots of the
desktop. The security paranoid might want to turn
this off, to avoid letting people see (but not touch!)
your desktop while the screen is locked.
grabVideoFrames
Whether it is acceptable to grab frames of video from
the system's video input. Grabbing of video is done
by invoking the xscreensaver-getimage-video(1) pro
gram.
chooseRandomImages
Whether it is acceptable to display random images
found on disk. Selection and loading of images is
done by invoking the xscreensaver-getimage-file(1)
program.
imageDirectory
When loading images from disk, this is the directory
to search. The directory will be searched recur
sively, and all files in it are assumed to be images.
If none of the three options are set to True, then video
colorbars will be displayed instead.
BUGS
If the target window is not the root window, then this
program will always grab a desktop image. This means that
if an image-manipulating xscreensaver mode is run in a
normal window, it will always operate on a desktop image;
it's only when it is run in -root mode (or when invoked by
xscreensaver) that it will load image files or grab video.
SEE ALSOX(1), xscreensaver(1)xscreensaver-demo(1) xscreen
saver-getimage-file(1)xscreensaver-getimage-video(1)COPYRIGHT
Copyright 2001 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 <jwz@jwz.org>, 14-Apr-01
X Version 11 24-Feb-2002 (4.01) XScreenSaver(1)
