1 .TH XScreenSaver 1 "05-Apr-1999" "X Version 11"
3 spotlight - move spotlight around desktop
6 [\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP]
7 [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install]
8 [\-visual \fIvisual\fP]
10 [\-duration \fIsecs\fP]
11 [\-radius \fIpixels\fP]
14 The \fIspotlight\fP program takes an image and exposes small sections
15 of it as if through a wandering spotlight beam.
17 The image that it manipulates will be grabbed from the portion of
18 the screen underlying the window, or from the system's video input,
19 or from a random file on disk, as indicated by
20 the \fIgrabDesktopImages\fP, \fIgrabVideoFrames\fP,
21 and \fIchooseRandomImages\fP options in the \fI~/.xscreensaver\fP
23 .BR xscreensaver-demo (1)
27 accepts the following options:
30 Draw on a newly-created window. This is the default.
33 Draw on the root window.
36 If on a color display, pretend we're on a monochrome display.
39 Install a private colormap for the window.
41 .B \-visual \fIvisual\fP
42 Specify which visual to use. Legal values are the name of a visual class,
43 or the id number (decimal or hex) of a specific visual.
45 .B \-delay \fImicroseconds\fP
48 .B \-duration \fIseconds\fP
49 How long to run before loading a new image. Default 120 seconds.
51 .B \-radius \fIpixels\fP
52 Radius of the spotlight in pixels.
55 Display the current frame rate and CPU load.
60 to get the default host and display number.
63 to get the name of a resource file that overrides the global resources
64 stored in the RESOURCE_MANAGER property.
68 .BR xscreensaver\-demo (1),
69 .BR xscreensaver\-getimage (1)
71 Copyright \(co 1999 by Rick Schultz. Permission to use, copy, modify,
72 distribute, and sell this software and its documentation for any purpose is
73 hereby granted without fee, provided that the above copyright notice appear
74 in all copies and that both that copyright notice and this permission notice
75 appear in supporting documentation. No representations are made about the
76 suitability of this software for any purpose. It is provided "as is" without
77 express or implied warranty.
79 Hacked together by Rick Schultz <rick@skapunx.net>, based on StefView for
80 BackSpace by Darcy Brockbank and on several other xscreensaver hacks.