gl_getpixel man page on aLinux

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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 format used in the
       screen memory.

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

SEE ALSO
       svgalib(7), vgagl(7), svgalib.conf(5), threedkit(7), testgl(1), gl_get‐
       box(3),	 gl_getpalette(3),   gl_getpalettecolor(3),  gl_getpalettecol‐
       ors(3), gl_getpixelrgb(3),  gl_rgbcolor(3),  gl_setpalette(3),  gl_set‐
       palettecolor(3),	 gl_setpalettecolors(3),  gl_setpixel(3), gl_setpixel‐
       rgb(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			gl_getpixel(3)
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