Man Linux: Main Page and Category List


       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  <eowmob@exp-math.uni->.  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 <>.

       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.