From Lilin Xiong, "I change ive plugin a little for osgText inout, so the ive plugin supports backdrop setting,

and Text3D, FadeText inout :

1. in DataInputStream.cpp, add 1286--1293 lines;
2. in Text.cpp, add some code for text's Backdrop setting;
3. in IveVersion.h, add line 39,  increase the VERSION to VERSION_028(line 41)
4. in ReadWrite.h,  add line 146,147
5. add file FadeText.h, FadeText.cpp, Text3D.h, Text3D.cpp."

src/osgPlugins/ive/FadeText.cpp

@@ -0,0 +1,61 @@
+/**********************************************************************
+ *
+ *    FILE:            FadeText.cpp
+ *
+ *    DESCRIPTION:    Read/Write osgText::FadeText in binary format to disk.
+ *
+ *    CREATED BY:        Auto generated by iveGenerator
+ *                    and later modified by Rune Schmidt Jensen.
+ *
+ *    HISTORY:        Created 27.3.2003
+ *
+ *    Copyright 2003 VR-C
+ **********************************************************************/
+
+#include "Exception.h"
+#include "FadeText.h"
+#include "Text.h"
+#include "Drawable.h"
+#include "Object.h"
+
+#include <osgDB/FileUtils>
+#include <osgDB/FileNameUtils>
+#include <osg/Notify>
+
+using namespace ive;
+
+void FadeText::write(DataOutputStream* out){
+    // Write FadeText's identification.
+    out->writeInt(IVEFADETEXT);
+    // If the osg class is inherited by any other class we should also write this to file.
+    osgText::Text*  text = dynamic_cast<osgText::Text*>(this);
+    if(text){
+        ((ive::Text*)(text))->write(out);
+    }
+    else
+        throw Exception("FadeText::write(): Could not cast this osgText::FadeText to an osgText::Tex.");
+
+    // Write FadeText's properties.
+    out->writeFloat(getFadeSpeed());
+}
+
+void FadeText::read(DataInputStream* in){
+    // Read FadeText's identification.
+    int id = in->peekInt();
+    if(id == IVEFADETEXT){
+
+        id = in->readInt();
+        // If the osg class is inherited by any other class we should also read this from file.
+        osgText::Text*  text = dynamic_cast<osgText::Text*>(this);
+        if(text){
+            ((ive::Text*)(text))->read(in);
+        }
+        else
+            throw Exception("FadeText::read(): Could not cast this osgText::FadeText to an osgText::Text.");
+        
+        setFadeSpeed(in->readFloat());
+    }
+    else{
+        throw Exception("FadeText::read(): Expected FadeText identification.");
+    }
+}