NAME

       queens - n queens screensaver

SYNOPSIS

       queens   [--display   host:display.screen]   [--window]   [--root]   [--window-id  number]
       [--install] [--visual visual] [--delay microseconds] [--wireframe] [--fps]

DESCRIPTION

       The queens program solves the n-queens problem (where, in this program, N is between 5 and
       10  queens)  using  a straightforward backtracking algorithm.  The problem is: how may one
       place N queens on an NxN chessboard such that no queen can attack a sister?

OPTIONS

       queens accepts the following options:

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

       --root  Draw on the root window.

       --window-id number
               Draw on the specified window.

       --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.

       --wireframe
               Render  in  wireframe instead of solid.  --fps Display the current frame rate, CPU
               load, and polygon count.

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.

       XSCREENSAVER_WINDOW
               The window ID to use with --root.

BUGS

       It's  not  unknown  for  this  and  other OpenGL hacks to fail under hardware accelaration
       (UtahGLX) and take the X server with them.  Texture images must be 16x16 or 32x32 or 64x64
       etc.

SEE ALSO

       X(1), xscreensaver(1) xscreensaver-settings(1), xscreensaver-getimage(6x)

COPYRIGHT

       Copyright © 2002 by Blair Tennessy.  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

       Blair Tennessy <tennessb@unbc.ca>, 20-April-2002.