XScreenSaver(1)                                                XScreenSaver(1)


       bumps - move distorting spotlight around desktop


       bumps  [-display  host:display.screen] [-foreground color] [-background
       color] [-window] [-root] [-mono] [-install]  [-visual  visual]  [-delay
       usecs] [-radius pixels]


       The  bumps program takes an image and exposes small, distorted sections
       of it as if through an odd wandering spotlight beam.

       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, grabVide-
       oFrames,  and  chooseRandomImages  options in the ~/.xscreensaver file;
       see xscreensaver-demo(1) for more details.


       bumps accepts the following options:

       -window Draw on a newly-created window.  This is the default.

       -root   Draw on the root window.

       -mono   If on a color display, pretend we’re on a monochrome display.

               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

       -delay microseconds
               Slow it down.

       -radius pixels
               Radius of the spotlight in pixels.


       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  © 1999 by Shane Smit.  Permission to use, copy, modify, dis-
       tribute, 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  per-
       mission  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.


       Shane Smit <blackend@inconnect.com>, 8-Oct-1999.

X Version 11                      05-Apr-1999                  XScreenSaver(1)

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