Refactored osgText::Font so that it now supports both 2D and 3D glyphs.

Added TextNode.h and TextNode.cpp to examples/osgtext3D in prep for introducing the new node to osgText library

src/osgText/TextBase.cpp

@@ -13,6 +13,7 @@
 
 
 #include <osgText/TextBase>
+#include <osgText/Font>
 
 #include <osg/Math>
 #include <osg/GL>
@@ -24,8 +25,6 @@
 
 #include <osgDB/ReadFile>
 
-#include "DefaultFont.h"
-
 using namespace osg;
 using namespace osgText;
 
@@ -49,7 +48,7 @@ TextBase::TextBase():
     _kerningType(KERNING_DEFAULT),
     _lineCount(0)
 {
-    setStateSet(DefaultFont::instance()->getStateSet());
+    setStateSet(Font::getDefaultFont()->getStateSet());
     setUseDisplayList(false);
     setSupportsDisplayList(false);
 }