48 lines
1.2 KiB
Groff
48 lines
1.2 KiB
Groff
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.TH gl_getpixel 3 "2 Aug 1997" "Svgalib (>= 1.2.11)" "Svgalib User Manual"
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.SH NAME
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gl_getpixel \- return the color of a pixel
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.SH SYNOPSIS
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.B #include <vgagl.h>
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.BI "int gl_getpixel(int " x ", int " y );
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.SH DESCRIPTION
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Returns the color of pixel at position
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.RI ( x ", " y )
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in the format used in the screen memory.
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The color -1 is returned for points outside the clipping window.
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.SH SEE ALSO
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.BR svgalib (7),
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.BR vgagl (7),
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.BR svgalib.conf (5),
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.BR threedkit (7),
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.BR testgl (1),
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.BR gl_getbox (3),
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.BR gl_getpalette (3),
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.BR gl_getpalettecolor (3),
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.BR gl_getpalettecolors (3),
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.BR gl_getpixelrgb (3),
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.BR gl_rgbcolor (3),
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.BR gl_setpalette (3),
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.BR gl_setpalettecolor (3),
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.BR gl_setpalettecolors (3),
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.BR gl_setpixel (3),
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.BR gl_setpixelrgb (3).
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.SH AUTHOR
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This manual page was edited by Michael Weller <eowmob@exp-math.uni-essen.de>. The
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exact source of the referenced demo as well as of the original documentation is
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unknown.
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It is very likely that both are at least to some extent are due to
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Harm Hanemaayer <H.Hanemaayer@inter.nl.net>.
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Occasionally this might be wrong. I hereby
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asked to be excused by the original author and will happily accept any additions or corrections
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to this first version of the svgalib manual.
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