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_getbox(3),
gl_getpalette(3),
gl_getpalettecolor(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.
