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% notcurses-demo(1)
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% nick black <nickblack@linux.com>
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% v1.1.0
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# NAME
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notcurses-demo - Show off some notcurses features
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# SYNOPSIS
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**notcurses-demo** [**-h|--help**] [**-p path**] [**-d delaymult**] [**-l loglevel**] [**-kHVc**] demospec
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# DESCRIPTION
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**notcurses-demo** demonstrates the capabilities of the notcurses library. It
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can be run in any terminal emulator or console with a correct terminfo(5)
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database, but is at is best in a "DirectColor" 24bpp RGB environment. If
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**notcurses-demo** seems to generate garbage, something is likely configured in
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a way that is going to prevent notcurses from working.
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The demonstrations include:
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* (i)ntro—a setting of tone
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* (x)ray—stimulate a logo with energy
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* (e)agle—they took some time off my life, back in the day
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* (t)rans—an exploration of various transparencies
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* (c)hunli—the strongest woman in the world
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* (g)rid—a gradient of color lain atop a great grid
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* (f)allin—the screen falls apart under heavy blows
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* (s)liders—a missing-piece puzzle made up of colorful blocks
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* (w)itherworm—a great Nothing slowly robs the world of color
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* (u)niblocks—a series of blocks detailing Unicode pages
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* (b)oxes—pulsating boxes with a transparent center
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* (v)iew—images and a video are rendered as text
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* (l)uigi-a dashing Apennine plumber in a world of fire
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* (p)anelreels—demonstration of the panelreel high-level widget
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* (o)utro—a message of hope from the library's author
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At any time, press 'q' to quit. The demo is best run in at least a 80x45 terminal.
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# OPTIONS
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**-p path**: Look in the specified **path** for data files.
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**-d delaymult**: Apply a rational multiplier to the standard delay of 1s.
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**-l loglevel**: Log everything (high log level) or nothing (log level 0) to stderr.
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**-H**: Launch a HUD with running timers for each demo. This HUD can be moved or closed with the mouse.
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**-k**: Inhibit use of the alternate screen. Necessary if you want the output left on your terminal after the program exits.
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**-c**: Do not attempt to seed the PRNG. This is useful when benchmarking.
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**-h**: Print a usage message, and exit with success.
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**-V**: Print the program name and version, and exit with success.
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demospec: Select which demos to run, and what order to run them in. The default is **ixetcgpwubvlfso**. See above for a list of demos.
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# NOTES
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Proper display requires:
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* A terminal advertising the **rgb** terminfo(5) capability, or that the environment variable **COLORTERM** is defined to **24bit** (and that the terminal honors this variable),
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* A monospaced font, and
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* Good Unicode support in your libc, font, and terminal emulator.
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# SEE ALSO
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notcurses(3notcurses), ncurses(3ncurses), terminfo(5)
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