1gl_getpixelrgb(3)             Svgalib User Manual            gl_getpixelrgb(3)
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NAME

6       gl_getpixelrgb - store color components of a pixel
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SYNOPSIS

10       #include <vgagl.h>
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12       void gl_getpixelrgb(int x, int y, int *r, int *g, int *b);
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DESCRIPTION

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

21       svgalib(7),   vgagl(7),   svgalib.conf(5),   threedkit(7),   testgl(1),
22       plane(1),  wrapdemo(1), gl_getpixel(3), gl_rgbcolor(3), gl_setpixel(3),
23       gl_setpixelrgb(3).
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AUTHOR

27       This manual page was edited  by  Michael  Weller  <eowmob@exp-math.uni-
28       essen.de>.  The  exact  source of the referenced demo as well as of the
29       original documentation is unknown.
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31       It is very likely that both are at least to some extent are due to Harm
32       Hanemaayer <H.Hanemaayer@inter.nl.net>.
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34       Occasionally  this  might be wrong. I hereby asked to be excused by the
35       original author and will happily accept any additions or corrections to
36       this first version of the svgalib manual.
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40Svgalib (>= 1.2.11)               2 Aug 1997                 gl_getpixelrgb(3)