void Image<T>::resize(const Bounds<int>& new_bounds)
{
if (!new_bounds.isDefined()) {
// Then this is really a deallocation. Clear out the existing memory.
this->_owner.reset();
this->_data = 0;
this->_stride = 0;
} else if (this->_bounds.isDefined() &&
this->_bounds.area() <= new_bounds.area() &&
this->_owner.unique()) {
// Then safe to keep existing memory allocation.
// Just redefine the bounds and stride.
this->_stride = new_bounds.getXMax() - new_bounds.getXMin() + 1;
} else {
// Then we want to do the reallocation.
this->_bounds = new_bounds;
this->allocateMem();
}
}
