Command Section
gl_getpixel(3)                Svgalib User Manual               gl_getpixel(3)

       gl_getpixel - return the color of a pixel

       #include <vgagl.h>

       int gl_getpixel(int x, int y);

       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.

       svgalib(7), vgagl(7), svgalib.conf(5), threedkit(7), testgl(1),
       gl_getbox(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).

       This manual page was edited by Michael Weller <[email protected]>. 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 <[email protected]>.

       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.

Svgalib (>= 1.2.11)               2 Aug 1997                    gl_getpixel(3)
Command Section