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RedHat 9 (Linux i386) - man page for qix (redhat section 1)

XScreenSaver(1) 		     General Commands Manual			  XScreenSaver(1)

NAME
       qix - bounce colored lines around a window

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

DESCRIPTION
       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.

OPTIONS
       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
	       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.

       -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 unlimited.

       -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 spec-
	       trum.  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.

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

       -non-transparent
	       Turns off -transparent.

       -additive
	       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.

       -subtractive
	       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  tradi-
	       tional qix line shape.  Three will yield triangles, and so on.

       -gravity

       -no-gravity
	       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.

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 (C) 1992 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>, 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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