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gl_getpixel(3) Svgalib User Manual gl_getpixel(3) 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_get- box(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-es- sen.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 orig- inal author and will happily accept any additions or corrections to this first version of the svgalib manual. Svgalib (>= 1.2.11) 2 Aug 1997 gl_getpixel(3)
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | AUTHOR
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