static bool writeTransformUpdating( osgDB::OutputStream& os, const osgManipulator::Dragger& dragger )
{
const osgManipulator::Dragger::DraggerCallbacks& callbacks = dragger.getDraggerCallbacks();
os.writeSize( callbacks.size() ); os << osgDB::BEGIN_BRACKET << std::endl;
for ( osgManipulator::Dragger::DraggerCallbacks::const_iterator itr=callbacks.begin();
itr!=callbacks.end(); ++itr )
{
osgManipulator::DraggerTransformCallback* dtcb =
dynamic_cast<osgManipulator::DraggerTransformCallback*>( itr->get() );
if ( dtcb )
{
os << std::string("DraggerTransformCallback") << osgDB::BEGIN_BRACKET << std::endl;
os << dtcb->getTransform();
}
else
{
os << std::string("DraggerCallback") << osgDB::BEGIN_BRACKET << std::endl;
}
os << osgDB::END_BRACKET << std::endl;
}
os << osgDB::END_BRACKET << std::endl;
return true;
}
// TransformUpdating
static bool checkTransformUpdating( const osgManipulator::Dragger& dragger )
{
return dragger.getDraggerCallbacks().size()>0;
}