Updates to docs and fixes to a few warnings.

src/osg/Camera.cpp

@@ -264,8 +264,8 @@ const double Camera::left() const
     {
         case(FRUSTUM):
         case(PERSPECTIVE): return _left * _zNear;
+        default: return _left;
     }
-    return _left;
 }
 const double Camera::right() const
 {
@@ -273,8 +273,8 @@ const double Camera::right() const
     {
         case(FRUSTUM):
         case(PERSPECTIVE): return _right * _zNear;
+        default: return _right;
     }
-    return _right;
 }
 
 const double Camera::top() const
@@ -283,8 +283,8 @@ const double Camera::top() const
     {
         case(FRUSTUM):
         case(PERSPECTIVE): return _top * _zNear;
+        default: return _top;
     }
-    return _top;
 }
 
 const double Camera::bottom() const
@@ -293,8 +293,8 @@ const double Camera::bottom() const
     {
         case(FRUSTUM):
         case(PERSPECTIVE): return _bottom * _zNear;
+        default: return _bottom;
     }
-    return _bottom;
 }
 
 const double Camera::zNear() const
@@ -502,6 +502,8 @@ void Camera::dirtyTransform()
             notify(WARN)<<"Warning: Camera::dirtyTransform() failed to invert _eyeToModelTransform"<<std::endl;
         }
         break;
+    default: // NO_ATTACHED_TRANSFORM
+        break;
     }
 
 }

src/osg/NodeVisitor.cpp

@@ -44,12 +44,12 @@ void NodeVisitor::setTraversalVisitor(NodeVisitor* nv)
     else _traversalMode = TRAVERSE_NONE;
 }
 
-const bool getLocalToWorldMatrix(Matrix& matrix, MatrixMode mode)
+const bool NodeVisitor::getLocalToWorldMatrix(Matrix& /*matrix*/, MatrixMode /*mode*/)
 {
     return false;
 }
 
-const bool getWorldToLocalMatrix(Matrix& matrix, MatrixMode mode)
+const bool NodeVisitor::getWorldToLocalMatrix(Matrix& /*matrix*/, MatrixMode /*mode*/)
 {
     return false;
 }

src/osgDB/Registry.cpp

@@ -650,10 +650,8 @@ ReaderWriter::ReadResult Registry::readObject(const std::string& fileName)
     {
         return ReaderWriter::ReadResult("Warning: Could not find plugin to read objects from file \""+fileName+"\".");
     }
-    else
-    {
-        return results.front();
-    }
+
+    return results.front();
 }
 
 
@@ -698,10 +696,8 @@ ReaderWriter::WriteResult Registry::writeObject(const Object& obj,const std::str
     {
         return ReaderWriter::WriteResult("Warning: Could not find plugin to write objects to file \""+fileName+"\".");
     }
-    else
-    {
-        return results.front();
-    }
+
+    return results.front();
 }
 
 
@@ -750,10 +746,8 @@ ReaderWriter::ReadResult Registry::readImage(const std::string& fileName)
     {
         return ReaderWriter::ReadResult("Warning: Could not find plugin to read image from file \""+fileName+"\".");
     }
-    else
-    {
-        return results.front();
-    }
+
+    return results.front();
 }
 
 
@@ -798,10 +792,8 @@ ReaderWriter::WriteResult Registry::writeImage(const Image& image,const std::str
     {
         return ReaderWriter::WriteResult("Warning: Could not find plugin to write image to file \""+fileName+"\".");
     }
-    else
-    {
-        return results.front();
-    }
+    
+    return results.front();
 }
 
 
@@ -859,10 +851,8 @@ ReaderWriter::ReadResult Registry::readNode(const std::string& fileName)
     {
         return ReaderWriter::ReadResult("Warning: Could not find plugin to read nodes from file \""+fileName+"\".");
     }
-    else
-    {
-        return results.front();
-    }
+
+    return results.front();
 }
 
 
@@ -907,8 +897,6 @@ ReaderWriter::WriteResult Registry::writeNode(const Node& node,const std::string
     {
         return ReaderWriter::WriteResult("Warning: Could not find plugin to write nodes to file \""+fileName+"\".");
     }
-    else
-    {
-        return results.front();
-    }
+
+    return results.front();
 }

src/osgText/FTGLTextureFont.cpp

@@ -52,7 +52,7 @@ FTGLTextureFont::~FTGLTextureFont()
 // mrn@changes
 bool FTGLTextureFont::MakeGlyphList(unsigned int renderContext)
 {
-    FTGlyphContainer* glyphList=_contextGlyphList[renderContext];
+    // FTGlyphContainer* glyphList=_contextGlyphList[renderContext];
 
     // check the context
     while (glContextTextureID.size() <= renderContext) 

src/osgText/FTPolyGlyph.cpp

@@ -7,7 +7,7 @@
 #endif
 
 
-void CALLBACK ftglError( GLenum errCode)
+void CALLBACK ftglError( GLenum /*errCode*/)
 {
 //    const GLubyte* estring;
 //    estring = gluErrorString( errCode);