Introduced Camera::resizeAttachments(int width, int height) to resize all the Texture and Image assigned the the Camera attachments.

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14810 16af8721-9629-0410-8352-f15c8da7e697

include/osg/Camera

@@ -159,6 +159,7 @@ class OSG_EXPORT Camera : public Transform, public CullSettings
         Viewport* getViewport() { return _viewport.get(); }
 
 
+
         enum TransformOrder
         {
             PRE_MULTIPLY,
@@ -425,6 +426,9 @@ class OSG_EXPORT Camera : public Transform, public CullSettings
         /** Get the AttachmentMapModifiedCount. */
         unsigned int getAttachmentMapModifiedCount() const { return _attachmentMapModifiedCount; }
 
+        /** Resize the image and textures in the AttachementMap.*/
+        void resizeAttachments(int width, int height);
+
 
         /** Explicit control over implicit allocation of buffers when using FBO.
          Implicit buffers are automatically substituted when user have not attached such buffer.