void Pixmap::reference(const Pixmap& p_pixmap) {
unreference();
_pp=p_pixmap._pp;
if (_pp) {
_pp->refcount++;
}
}
bool Reference::init_ref() {
if (reference()) {
// this may fail in the scenario of two threads assigning the pointer for the FIRST TIME
// at the same time, which is never likely to happen (would be crazy to do)
// so don't do it.
if (refcount_init.get() > 0) {
refcount_init.unref();
unreference(); // first referencing is already 1, so compensate for the ref above
}
return true;
} else {
return false;
}
}
Pixmap::~Pixmap() {
unreference();
}
