9bfa6ac1a1
Nodes inside the osg scenegraph now hold a strong reference to the according canvas element. Canvas elements in turn now only hold a weak reference to the according node. This simplifies for example the canvas::Group as it does not need to keep a list of children on its own anymore. This is now stored inside the scenegraph (as it was already before). The restructuring will also allow to use a canvas::Group for the canvas gui inside FlightGear and share for example the handling of stacking based on z-index.
SimGear - Simulator Construction Tools ====================================== http://www.flightgear.org SimGear is a set of open-source libraries designed to be used as building blocks for quickly assembling 3d simulations, games, and visualization applications. SimGear is developed by the FlightGear project and also provides the base for the FlightGear Flight Simulator. Source code for SimGear is released under the GNU Library General Public License (LGPL) - see COPYING for license details. See INSTALL file for help on building SimGear.