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XScreenSaver(1)						       XScreenSaver(1)

       qix - bounce colored lines around a window

       qix  [-display  host:display.screen]  [-foreground  color] [-background
       color] [-window] [-root] [-mono] [-install] [-visual visual] [-segments
       int]   [-spread	pixels]	 [-size	 pixels]  [-count  int]	 [-color-shift
       degrees] [-delay usecs] [-random] [-linear] [-solid]  [-hollow]	[-xor]
       [-no-xor]  [-transparent] [-non-transparent] [-additive] [-subtractive]
       [-poly int] [-gravity] [-no-gravity]

       The qix program bounces a series of line segments  around  its  window.
       This  is truly the swiss army chainsaw of qix programs.	If you know of
       one with more display modes, I want to know about it.

       qix 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

       -segments integer
	       How many line segments should be drawn.	Default 50.

       -spread integer
	       How far apart the endpoints of one segment should be  from  the
	       next.  Default 8.

       -size integer
	       The maximum distance one endpoint of a segment is allowed to be
	       from the opposite end of	 that  segment.	  Default  0,  meaning

       -count integer
	       How many qixes to draw.	Default 1.

       -color-shift degrees
	       If  on  a  color	 display,  the color of the line segments will
	       cycle through the spectrum.  This specifies how far the hue  of
	       each  segment  should  be  from the next, in degrees on the HSV
	       wheel.  Default 3.

       -delay microseconds
	       How much of a delay should be introduced between steps  of  the
	       animation.  Default 25000, or about 0.025 seconds.

       -random The  qix	 will wander around the screen semi-randomly.  This is
	       the default.

       -linear The opposite of -random: the qix will travel in straight	 lines
	       until it reaches a wall, and then it will bounce.

       -solid  If  this	 is specified, then the area between the line segments
	       will be filled in with the appropriate color,  instead  of  the
	       qix  simply  being  composed  of	 one-pixel-wide line segments.
	       This option looks really good in color.

       -hollow The opposite of -solid; this is the default.

       -xor    If this is specified, then  qix	segments  will	be  drawn  and
	       erased  with  xor,  instead  of	being  drawn in some color and
	       erased in the background color.	This implies  -mono,  in  that
	       only two colors can be used.

	       If  this	 is specified, and -count is greater than 1, then each
	       qix will be drawn in one color, and when they overlap, the col‐
	       ors will be mixed.  This looks best in conjuction with -solid.

	       Turns off -transparent.

	       If  -transparent	 is specified, then this option means that the
	       colors will be mixed using an additive color model, as  if  the
	       qixes were projected light.  This is the default.

	       If  -transparent	 is specified, then this option means that the
	       colors will be mixed using a subtractive color model, as if the
	       qixes were translucent filters.

       -poly int
	       How  many vertices each qix-line should have: the default is 2,
	       meaning the traditional qix line shape.	Three will yield  tri‐
	       angles, and so on.


	       Whether	there should be downward attraction.  For example, the
	       options -gravity -linear will  make  everything	move  in  nice
	       smooth parabolas.  Gravity is off by default.

       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)

       Copyright © 1992 by Jamie Zawinski.  Permission to use,	copy,  modify,
       distribute,  and	 sell this software and its documentation for any pur‐
       pose 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	repre‐
       sentations are made about the suitability of this software for any pur‐
       pose.  It is provided "as is" without express or implied warranty.

       Jamie Zawinski <jwz@jwz.org>, 13-aug-92.

       Thanks to Ariel Scolnicov for the -poly and -gravity options.

X Version 11			   27-Apr-97		       XScreenSaver(1)

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