Checked in Macro Jez's additions to osgText to support .osg IO make it

a fully functioning NodeKit.

Also reimplement notify() to try an prevent a crash which has been caused by
to objects in notify.cpp being initiliazed twice, the second time the auto_ptr
holding the dev/null ofstream was being initilized to 0.

src/osgPlugins/osg/Makefile

@@ -31,6 +31,7 @@ CXXFILES =\
         Point.cpp\
         PolygonMode.cpp\
         PolygonOffset.cpp\
+        Projection.cpp\
         ReaderWriterOSG.cpp\
         ShadeModel.cpp\
         StateSet.cpp\

src/osgPlugins/osg/Projection.cpp

@@ -0,0 +1,49 @@
+#include <osg/Projection>
+#include <osg/Matrix>
+
+#include "osgDB/Registry"
+#include "osgDB/Input"
+#include "osgDB/Output"
+
+using namespace osg;
+using namespace osgDB;
+
+// forward declare functions to use later.
+bool Projection_readLocalData(Object& obj, Input& fr);
+bool Projection_writeLocalData(const Object& obj, Output& fw);
+
+// register the read and write functions with the osgDB::Registry.
+RegisterDotOsgWrapperProxy g_ProjectionProxy
+(
+    osgNew osg::Projection,
+    "Projection",
+    "Object Node Group Projection",
+    &Projection_readLocalData,
+    &Projection_writeLocalData
+);
+
+bool Projection_readLocalData(Object& obj, Input& fr)
+{
+    Projection &myobj = static_cast<Projection &>(obj);
+    bool iteratorAdvanced = false;    
+
+    static Matrix s_matrix;
+
+    if (Matrix* tmpMatrix = static_cast<Matrix*>(fr.readObjectOfType(s_matrix)))
+    {
+        myobj.setMatrix(*tmpMatrix);        
+        iteratorAdvanced = true;
+    }
+
+    return iteratorAdvanced;
+}
+
+
+bool Projection_writeLocalData(const Object& obj, Output& fw)
+{
+    const Projection& myobj = static_cast<const Projection&>(obj);
+
+    fw.writeObject(myobj.getMatrix());
+
+    return true;
+}

src/osgPlugins/osg/Transform.cpp

@@ -39,7 +39,6 @@ bool Transform_readLocalData(Object& obj, Input& fr)
 
     Transform& transform = static_cast<Transform&>(obj);
 
-
     if (fr[0].matchWord("Type"))
     {
         if (fr[1].matchWord("DYNAMIC"))
@@ -69,6 +68,19 @@ bool Transform_readLocalData(Object& obj, Input& fr)
         iteratorAdvanced = true;
     }
 
+    if (fr[0].matchWord("referenceFrame")) {
+        if (fr[1].matchWord("RELATIVE_TO_ABSOLUTE")) {
+            transform.setReferenceFrame(Transform::RELATIVE_TO_ABSOLUTE);
+            fr += 2;
+            iteratorAdvanced = true;
+        }
+        if (fr[1].matchWord("RELATIVE_TO_PARENTS")) {
+            transform.setReferenceFrame(Transform::RELATIVE_TO_PARENTS);
+            fr += 2;
+            iteratorAdvanced = true;
+        }
+    }
+
     return iteratorAdvanced;
 }
 
@@ -79,5 +91,15 @@ bool Transform_writeLocalData(const Object& obj, Output& fw)
 
     fw.writeObject(transform.getMatrix());
 
+    fw.indent() << "referenceFrame ";
+    switch (transform.getReferenceFrame()) {
+        case Transform::RELATIVE_TO_ABSOLUTE:
+            fw << "RELATIVE_TO_ABSOLUTE\n";
+            break;
+        case Transform::RELATIVE_TO_PARENTS:
+        default:
+            fw << "RELATIVE_TO_PARENTS\n";
+    };
+
     return true;
 }