gl_getpixel(3)         Svgalib User Manual         gl_getpixel(3)

NAME
       gl_getpixel - return the color of a pixel

SYNOPSIS
       #include <vgagl.h>

       int gl_getpixel(int x, int y);

DESCRIPTION
       Returns  the color of pixel at position (x, y) in the for-
       mat used in the screen memory.

       The color -1 is returned for points outside  the  clipping
       window.

SEE ALSO
       svgalib(7),   vgagl(7),   svgalib(5),   threedkit(7),
       testgl(1), gl_getbox(3), gl_getpalette(3),  gl_getpalette-
       color(3),    gl_getpalettecolors(3),    gl_getpixelrgb(3),
       gl_rgbcolor(3),  gl_setpalette(3),  gl_setpalettecolor(3),
       gl_setpalettecolors(3), gl_setpixel(3), gl_setpixelrgb(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