xor_mode - Man Page
Shortcut for toggling xor drawing mode on and off. Allegro game programming library.
Synopsis
#include <allegro.h>
void xor_mode(int on);
Description
This is a shortcut for toggling xor drawing mode on and off. Calling xor_mode(TRUE) is equivalent to drawing_mode(DRAW_MODE_XOR, NULL, 0, 0). Calling xor_mode(FALSE) is equivalent to drawing_mode(DRAW_MODE_SOLID, NULL, 0, 0).
See Also
Referenced By
drawing_mode(3), exspline(3), exupdate(3).
version 4.4.3 Allegro manual