gl_setcontextvirtual(3)Svgalib User Manualgl_setcontextvirtual(3)

NAME
       gl_setcontextvirtual - define a virtual context

SYNOPSIS
       #include <vgagl.h>

       void  gl_setcontextvirtual(int w, int h, int bpp, int bit-
       spp, void *vbuf);

DESCRIPTION
       Define the current graphics context to have a width  of  w
       pixels,  height h, bpp bytes per pixel, bitspp significant
       color bits per pixel (8, 15, 16 or 24),  with  the  frame-
       buffer at vbuf.  A 4 bytes per pixel context, with 24 sig-
       nificant color bits is also valid.

SEE ALSO
       svgalib(7),   vgagl(7),   svgalib(5),   threedkit(7),
       testgl(1),    currentcontext(3),    gl_allocatecontext(3),
       gl_copyboxfromcontext(3), gl_copyboxtocontext(3), gl_copy-
       screen(3), gl_freecontext(3), gl_getcontext(3), gl_setcon-
       text(3),   gl_setcontextheight(3),    gl_setcontextvga(3),
       gl_setcontextvgavirtual(3), gl_setcontextwidth(3).

AUTHOR
       This manual page was edited by Michael Weller <eowmob@exp-
       math.uni-essen.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 (>= 1.2.11)         2 Aug 1997                          1