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bg_test(6)		       Svgalib User Manual		      bg_test(6)

NAME
     bg_test - test the background mode of svgalib

SYNOPSIS
     bg_test [linear]

DESCRIPTION
     Tests the enhanced support of recent svgalibs to draw while switched to the
     background. Draws a small centered white box then waits until you switch to
     another  vc.  Draws  some outer box frame around it while background, which
     you can see when you switch back to it. For obvious reasons,  your  version
     of svgalib must have BACKGROUND support enabled (which is the default as of
     this writing).  When finished, press any key to end bg_test.

     The  demo	uses  a  G320x200x256  mode  or the one you set with SVGALIB_DE-
     FAULT_MODE.

     If you specify the linear parameter the demo will use vgagl(7) and vga_set-
     linearaddressing(3) to test linear mode in background.

     This demo is part of svgalib and can be found in the demos/ subdirectory of
     the original svgalib distribution. However, it is not installed in the sys-
     tem by default, s.t. it is unclear where you can find it  if  your  svgalib
     was installed by some linux distribution. Even then, when you have the demo
     on your system, you probably won't have the sources s.t. it is only of lim-
     ited use for you.

     In  case  of  any such problem, simply get an svgalib distribution from the
     net. You even don't need to install it. Just make in the demos/ subdirecty.
     As of this writing, svgalib-1.2.12.tar.gz is the latest version and can  be
     retrieved	by  ftp  from  sunsite.unc.edu	at  /pub/Linux/libs/graphics and
     tsx-11.mit.edu at /pub/linux/sources/libs which will most probably be  mir-
     rored by a site close to you.

SEE ALSO
     svgalib(7),  vgagl(7), libvga.config(5), vga_runinbackground(3), threed(6),
     accel(6),	eventtest(6),  forktest(6),  fun(6),  keytest(6),  mousetest(6),
     scrolltest(6),  speedtest(6),  spin(6),  testaccel(6),  testgl(6), testlin-
     ear(6), vgatest(6), plane(6), wrapdemo(6)

AUTHOR
     This manual page was  edited  by  Michael	Weller	<eowmob@exp-math.uni-es-
     sen.de>. The exact source of the referenced demo as well as of the original
     documentation is unknown.

     It  is  very  likely  that both are at least to some extent are due to Harm
     Hanemaayer <H.Hanemaayer@inter.nl.net>.

     Occasionally this might be wrong. I hereby asked to be excused by the orig-
     inal author and will happily accept any additions or  corrections	to  this
     first version of the svgalib manual.

Svgalib 1.3.0			  8 April 1998			      bg_test(6)

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