int gl_getpixel(int x, int y);
DESCRIPTIONReturns 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.
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.