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halo

Section: XScreenSaver manual (6)
Updated: 5.04 (13-Nov-2007)
Index Return to Main Contents
 

NAME

halo - draw circular patterns  

SYNOPSIS

halo [-display host:display.screen] [-foreground color] [-background color] [-window] [-root] [-mono] [-install] [-visual visual] [-count int] [-delay usecs] [-mode seuss | ramp | random ] [-animate] [-colors integer]  

DESCRIPTION

The halo program draws cool patterns based on circles.  

OPTIONS

halo 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
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 visual.
-count integer
How many circles to draw. Default 0, meaning random.
-mode seuss | ramp | random
In seuss mode, alternating striped curves will be drawn.

In ramp mode, a color ramp will be drawn.

random means pick the mode randomly.

-delay microseconds
How much of a delay should be introduced between steps of the animation. Default 100000, or about 0.1 second.
-colors integer
How many colors to use. Default 100.
-animate
If specified, then the centerpoints of the circles will bounce around. Otherwise, the circles will be drawn once, erased, and a new set of circles will be drawn.
 

ENVIRONMENT

DISPLAY
to get the default host and display number.
XENVIRONMENT
to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.
 

SEE ALSO

X(1), xscreensaver(1)  

COPYRIGHT

Copyright © 1993 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>, 6-jul-93.


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
ENVIRONMENT
SEE ALSO
COPYRIGHT
AUTHOR




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