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gl_getpixelrgb

gl_getpixelrgb

Section: Svgalib User Manual (3) Updated: 2 Aug 1997
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NAME

gl_getpixelrgb - store color components of a pixel

 

SYNOPSIS

#include <vgagl.h>

void gl_getpixelrgb(int x, int y, int *r, int *g, int *b);

 

DESCRIPTION

Store color components from pixel at (x, y) ranging from 0 to 255 into integers pointed to by r, g and b.

 

SEE ALSO

svgalib(7), vgagl(7), svgalib.conf(5), threedkit(7), testgl(1), plane(1), wrapdemo(1), gl_getpixel(3), gl_rgbcolor(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.


 

Index

NAME
SYNOPSIS
DESCRIPTION
SEE ALSO
AUTHOR

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Time: 21:46:58 GMT, April 16, 2011