Removed the font cache from the FreeType plugin, moving the support across to

osgDB::Registry.

src/osgPlugins/freetype/FreeTypeLibrary.cpp

@@ -26,6 +26,7 @@ FreeTypeLibrary::FreeTypeLibrary()
 
 FreeTypeLibrary::~FreeTypeLibrary()
 {
+#ifdef USE_LOCAL_CACHE
     // need to remove the implementations from the Fonts here
     // just in case the Fonts continue to have external references
     // to them, otherwise they will try to point to an object thats
@@ -38,6 +39,7 @@ FreeTypeLibrary::~FreeTypeLibrary()
         osgText::Font* font = itr->second.get();
         font->setImplementation(0);
     }
+#endif
     
     FT_Done_FreeType( _ftlibrary);
 }
@@ -51,8 +53,10 @@ FreeTypeLibrary* FreeTypeLibrary::instance()
 osgText::Font* FreeTypeLibrary::getFont(const std::string& fontfile,unsigned int index)
 {
 
+#ifdef USE_LOCAL_CACHE
     FontMap::iterator itr = _fontMap.find(fontfile);
     if (itr!=_fontMap.end()) return itr->second.get();
+#endif
 
     FT_Face face;      /* handle to face object */
     FT_Error error = FT_New_Face( _ftlibrary, fontfile.c_str(), index, &face );
@@ -71,7 +75,10 @@ osgText::Font* FreeTypeLibrary::getFont(const std::string& fontfile,unsigned int
     
     FreeTypeFont* fontImp = new FreeTypeFont(fontfile,face);
     osgText::Font* font = new osgText::Font(fontImp);
+
+#ifdef USE_LOCAL_CACHE
     _fontMap[fontfile]=font;
+#endif
     
     return font;
 

src/osgPlugins/freetype/FreeTypeLibrary.h

@@ -17,6 +17,8 @@
 #include "FreeTypeFont.h"
 #include <osgText/Font>
 
+//#define USE_LOCAL_CACHE
+
 class FreeTypeLibrary
 {
 public:
@@ -39,7 +41,10 @@ protected:
 
 
     FT_Library  _ftlibrary;
+
+#ifdef USE_LOCAL_CACHE
     FontMap     _fontMap;
+#endif
 
 };
 

src/osgText/Font.cpp

@@ -67,7 +67,7 @@ osgText::Font* osgText::readFontFile(const std::string& filename)
     std::string foundFile = findFontFile(filename);
     if (foundFile.empty()) return 0;
 
-    osg::Object* object = osgDB::readObjectFile(foundFile);
+    osg::Object* object = osgDB::readObjectFile(foundFile, osgDB::Registry::CACHE_OBJECTS);
 
     // if the object is a font then return it.
     osgText::Font* font = dynamic_cast<osgText::Font*>(object);