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starwars(6) |
XScreenSaver manual |
starwars(6) |
starwars - draws a perspective text crawl, like at the beginning of the movie
starwars [-display host:display.screen] [-window] [-root] [-visual
visual] [-delay microseconds] [-program command] [-size
integer ] [-columns integer] [-wrap | -no-wrap] [-left | -center
| -right] [-lines integer] [-spin float] [-steps integer]
[-delay usecs] [-font xlfd] [-no-textures] [-no-smooth]
[-no-thick] [-fps]
The starwars program runs another program to generate a stream of text,
then animates that text receeding into the background at an angle, in front of
a star field.
starwars accepts the following options:
- -window
- Draw on a newly-created window. This is the default.
- -root
- Draw on the root 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.
- -program sh-command
- The command to run to generate the text to display. This option may be any
string acceptable to /bin/sh. The program will be run at the end of a
pipe, and any characters that it prints to stdout will be printed
on the starwars window. If the program exits, it will be launched again
after we have processed all the text it produced.
Note that starwars is not a terminal emulator: programs
that try to directly address the screen will not do what you might
expect. This program merely draws the characters on the screen left to
right, top to bottom, in perspective. Lines (may) wrap when they reach
the right edge.
In other words, programs like fortune(1) will work, but
programs like top(1) won't.
Some examples:
starwars -program 'cat /usr/src/linux*/README'
starwars -columns 30 -program 'ping www.starwars.com'
starwars -left -no-wrap -program 'ps -auxwwf'
starwars -left -no-wrap -columns 45 -program 'top -bn1'
starwars -left -columns 40 -program 'od -txC /dev/urandom'
starwars -font fixed -program 'od -txC /dev/urandom'
- -size integer
- How large a font to use, in points. (Well, in some arbitrary unit we're
calling "points" for the sake of argument.) Default: 24.
- -columns integer
- How many columns of text should be visible on the bottom line of the
screen. Default: 60.
Only one of -columns and -size may be specified;
if both are specified, -columns takes priority.
- -wrap
- Word-wrap lines when they reach the rightmost column. This is the
default.
- -no-wrap
- Do not word-wrap: just let the lines go off the right side of the
screen.
- -left | -center | -right
- Whether to align the text flush left, centered, or flush right. The
default is centered.
- -lines integer
- How many lines should be allowed to be on the screen before they fall off
the end. The default is 125.
- -spin float
- The star field on the background slowly rotates. This is how fast. The
default is 0.03.
- -steps integer
- How many steps should be used to scroll a single line. The default is 35.
If the animation looks jerky to you, increase this number.
- -delay usecs
- The delay between steps of the animation; default is 40000 (1/25th
second.)
- -font font-name
- The name of the font to use. For best effect, this should be a large font
(at least 36 points.) The bigger the font, the better looking the
characters will be. Note that the size of this font affects only the
clarity of the characters, not their size on the screen: for that, use the
-size or -columns options.
Default: -*-utopia-bold-r-normal-*-*-720-*-*-*-*-iso8859-1
- -no-textures
- Instead of texture-mapping a real font to render the text, use a built-in
font composed of line segments. On graphics cards without texture support,
the line-segment font will have much better performance.
- -no-smooth
- When using the line-segment font, turn off anti-aliasing of the lines used
to draw the font. This will make the text blockier, but may improve
performance.
- -no-thick
- When using the line-segment font, turn off use of thick lines for the
characters that are close to the foreground. This will make the text
appear unnaturally skinny, but may improve performance.
- -fps
- Display the current frame rate, CPU load, and polygon count.
- 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(1), xscreensaver-text(1), fortune(1),
phosphor(6), apple2(6), fontglide(6), ljlatest(6),
dadadodo(1), webcollage(6), driftnet(1) EtherPEG,
EtherPeek
Copyright © 1998-2005 by Jamie Zawinski and Claudio Matsuoka. 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.
Jamie Zawinski <jwz@jwz.org> and Claudio Matauoka
<claudio@helllabs.org>
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