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NAME
       feedback - Stirring colors with a jiggling warp.

SYNOPSIS
       feedback	  [--root/-r]	[--maxfps/-x   number]	 [--vsync/-y   number]
       [--dpms/-M number] [--grey/-g] [--saturation/-S number] [--lightness/-L
       number]	[--period/-p  number]  [--speed/-s number] [--cells/-c number]
       [--texsize/-t number] [--grid/-i]

DESCRIPTION
       Colors are swirled by repeatedly mapping a spring loaded grid to a uni‐
       form grid, pulling in colors from the cycling perimeter.

       Written by Tugrul Galatali.

OPTIONS
       --root  Draw on the root window.

       --maxfps number
	       Set maximum frame rate.

       --vsync number
	       Limit  redraws  to specified number of vertical refreshes.  0 -
	       100.  Default: 1

       --dpms number
	       Stop rendering new frames if the display is not	on.   0	 -  1.
	       Default: 1

       --grey  Use greyscale instead of hue wheel.

       --saturation number
	       Set color saturation.  0 - 255.	Default: 255

       --lightness number
	       Set color lightness.  0 - 255.  Default: 255

       --period number
	       Sets color cycling period in seconds.  0 - 100.	Default: 5

       --speed number
	       Sets speed of warping grid wobble.  1 - 100.  Default: 10

       --cells number
	       Sets  height  and width of warping grid in powers of 2.	0 - 6.
	       Default: 3

       --texsize number
	       Sets height and width of warped texture in powers of  2.	  6  -
	       12.  Default: 8

       --grid  Turns on rendering of the warping grid.

ENVIRONMENT
       DISPLAY to get the default host and display number.

SEE ALSO
       X(1),

COPYRIGHT
       Copyright © 2009 by Tugrul Galatali.

       Feedback	 is  free  software;  you can redistribute it and/or modify it
       under the terms of the GNU General Public License  version  2  as  pub‐
       lished by the Free Software Foundation.

       Feedback is distributed in the hope that it will be useful, but WITHOUT
       ANY WARRANTY; without even the implied warranty of  MERCHANTABILITY  or
       FITNESS	FOR  A PARTICULAR PURPOSE.  See the GNU General Public License
       for more details.

AUTHOR
       Tugrul Galatali <tugrul@galatali.com>

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