Robert Osfield <[email protected]> writes: > Hi Philipp > > On 25 January 2012 15:37, Philipp Moeller > <[email protected]> wrote: >> I'd like to back-up some osg::StateAttribute for the simple purpose of >> restoring it, if some dialog in my application is rejected. >> >> I'd would like to have something as easy as >> >> Light* light; >> ref_ptr<Light> backup = new Light(*light, >> osg::CopyOp(osg::CopyOp::DEEP_COPY_ALL)); >> //back up >> *light = *backup; >> >> This obviously does not work, as Light has no assigment >> operator. > > It should work as it has a copy constructor, it doesn't need a copy > operator for this task.
The copy is not the problem the assignment is (The operator= is needed here as this is not the point of declaration). osg::Objects operator= is private which default deletes the assignment operator in all base classes and I don't really get why. So it looks like this is by design although it would be nice to have. > > You can also call clone() if you want. > > Robert. > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
