Added beginings of Text implementation

src/osgPresentation/Element.cpp

@@ -0,0 +1,52 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2013 Robert Osfield
+ *
+ * This library is open source and may be redistributed and/or modified under
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * OpenSceneGraph Public License for more details.
+*/
+
+#include <osgPresentation/Element>
+
+using namespace osgPresentation;
+
+
+void Element::traverse(osg::NodeVisitor& nv)
+{
+    if (nv.getVisitorType()==osg::NodeVisitor::UPDATE_VISITOR)
+    {
+        osgUtil::UpdateVisitor* uv = dynamic_cast<osgUtil::UpdateVisitor*>(&nv);
+        if (uv)
+        {
+            updateTraversal(*uv);
+            return;
+        }
+    }
+    else if (nv.getVisitorType()==osg::NodeVisitor::EVENT_VISITOR)
+    {
+        osgGA::EventVisitor* ev = dynamic_cast<osgGA::EventVisitor*>(&nv);
+        if (ev)
+        {
+            eventTraversal(*ev);
+            return;
+        }
+    }
+    osgPresentation::Group::traverse(nv);
+}
+
+void Element::updateTraversal(osgUtil::UpdateVisitor& uv)
+{
+    OSG_NOTICE<<"Element::updateTraversal()"<<std::endl;
+    osgPresentation::Group::traverse(uv);
+}
+
+void Element::eventTraversal(osgGA::EventVisitor& ev)
+{
+    OSG_NOTICE<<"Element::eventTraversal()"<<std::endl;
+    osgPresentation::Group::traverse(ev);
+}