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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	 back-
       ground,	which you can see when you switch back to it. For obvious rea-
       sons, 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_setlinearaddressing(3) to test linear mode in background.

       This demo is part of svgalib and	can be found in	the  demos/  subdirec-
       tory of the original svgalib distribution. However, it is not installed
       in  the	system 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 limited 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 mirrored 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), testlinear(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
       original	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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