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XScreenSaver !!!XScreenSaver NAME SYNOPSIS DESCRIPTION OPTIONS ENVIRONMENT SEE ALSO COPYRIGHT AUTHOR ---- !!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 ''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] !!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 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. __-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 traditional 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 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 !!AUTHOR Jamie Zawinski Thanks to Ariel Scolnicov for the -poly and -gravity options. ----
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