Added support for multibuffering of tex coordinates.

include/osgText/String

@@ -29,18 +29,6 @@ class OSGTEXT_EXPORT String : public osg::Referenced, public std::vector<unsigne
 {
 public:
 
-    String() {}
-    String(const String& str);
-    virtual ~String() {} // public temporily while osgText is still in flux.
-
-    String& operator = (const String& str);
-
-    void set(const std::string& str);
-
-    /** Set the text using a wchar_t string, 
-      * which is converted to an internal TextString.*/
-    void set(const wchar_t* text);
-
     /**
      * Types of string encodings supported
      */
@@ -58,6 +46,23 @@ public:
         ENCODING_SIGNATURE                  /// detect encoding from signature
     };
 
+
+    String() {}
+    String(const String& str);
+    String(const std::string& str) { set(str); }
+    String(const wchar_t* text) { set(text); }
+    String(const std::string& text,Encoding encoding) { set(text,encoding); }
+
+    virtual ~String() {} // public temporily while osgText is still in flux.
+
+    String& operator = (const String& str);
+
+    void set(const std::string& str);
+
+    /** Set the text using a wchar_t string, 
+      * which is converted to an internal TextString.*/
+    void set(const wchar_t* text);
+
     /** Set the text using a Unicode encoded std::string, which is converted to an internal TextString.
       * The encoding parameter specificies which Unicode encodeding is used in the std::string. */
     void set(const std::string& text,Encoding encoding);