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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-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	(>= 1.2.11)		  2 Aug	1997			gl_getpixel(3)

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<https://man.freebsd.org/cgi/man.cgi?query=gl_getpixel&sektion=3&manpath=FreeBSD+Ports+14.3.quarterly>

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