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

6       gl_getpixel - return the color of a pixel
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SYNOPSIS

10       #include <vgagl.h>
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12       int gl_getpixel(int x, int y);
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DESCRIPTION

16       Returns the color of pixel at position (x, y) in the format used in the
17       screen memory.
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19       The color -1 is returned for points outside the clipping window.
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SEE ALSO

23       svgalib(7), vgagl(7), svgalib.conf(5), threedkit(7), testgl(1), gl_get‐
24       box(3),   gl_getpalette(3),   gl_getpalettecolor(3),  gl_getpalettecol‐
25       ors(3), gl_getpixelrgb(3),  gl_rgbcolor(3),  gl_setpalette(3),  gl_set‐
26       palettecolor(3),  gl_setpalettecolors(3),  gl_setpixel(3), gl_setpixel‐
27       rgb(3).
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AUTHOR

31       This manual page was edited  by  Michael  Weller  <eowmob@exp-math.uni-
32       essen.de>.  The  exact  source of the referenced demo as well as of the
33       original documentation is unknown.
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35       It is very likely that both are at least to some extent are due to Harm
36       Hanemaayer <H.Hanemaayer@inter.nl.net>.
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38       Occasionally  this  might be wrong. I hereby asked to be excused by the
39       original author and will happily accept any additions or corrections to
40       this first version of the svgalib manual.
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44Svgalib (>= 1.2.11)               2 Aug 1997                    gl_getpixel(3)