gcv.cap_style = CapProjecting;
_gc = XCreateGC(**display, info->rootWindow(),
GCForeground | GCCapStyle, &gcv);
assert(_gc);
// insert into the cache
gcv.cap_style = CapProjecting;
_gc = XCreateGC(**display, info->rootWindow(),
GCForeground | GCCapStyle, &gcv);
assert(_gc);
// insert into the cache