void CompositeViewer::getCameras(Cameras& cameras, bool onlyActive) { cameras.clear(); for(RefViews::iterator vitr = _views.begin(); vitr != _views.end(); ++vitr) { View* view = vitr->get(); if (view->getCamera() && (!onlyActive || (view->getCamera()->getGraphicsContext() && view->getCamera()->getGraphicsContext()->valid())) ) cameras.push_back(view->getCamera()); for(View::Slaves::iterator itr = view->_slaves.begin(); itr != view->_slaves.end(); ++itr) { if (itr->_camera.valid() && (!onlyActive || (itr->_camera->getGraphicsContext() && itr->_camera->getGraphicsContext()->valid())) ) cameras.push_back(itr->_camera.get()); } } }