TransparencyUtils.h.patch

Index: include/osgwTools/TransparencyUtils.h
===================================================================
--- include/osgwTools/TransparencyUtils.h	(revision 390)
+++ include/osgwTools/TransparencyUtils.h	(working copy)
@@ -112,6 +112,15 @@
 
     return( true );
 }
+    
+/** \brief Returns True if the given StateSet is configured like one of our transparent StateSets.
+ \It returns True if the Node has a StateSet, and the StateSet has the following signature:
+ \li A BlendColor StateAttribute
+ \li A BlendFunc StateAttribute
+ \li GL_BLEND is enabled
+ \li Rendering hint set to TRANSPARENT_BIN
+ */
+OSGWTOOLS_EXPORT bool isTransparent( const osg::StateSet* stateSet );
 
 /** \brief Restores opacity by undoing the effects of a prior call to transparentEnable.
 If the Node or Drawable isn't transparent (as defined by the isTransparent call),
@@ -170,17 +179,8 @@
     return( true );
 }
 
-/** \brief Returns True if the given StateSet is configured like one of our transparent StateSets.
-\It returns True if the Node has a StateSet, and the StateSet has the following signature:
-\li A BlendColor StateAttribute
-\li A BlendFunc StateAttribute
-\li GL_BLEND is enabled
-\li Rendering hint set to TRANSPARENT_BIN
-*/
-OSGWTOOLS_EXPORT bool isTransparent( const osg::StateSet* stateSet );
 
 
-
 /** \brief Finds StateSets with nominal transparency and marks the transparent state as PROTECTED
 
 The function runs this Node visitor on scene graphs (for example, loaded models) that already potentially  

Need to declare isTransparent before calling in on the osgwTools::transparentDisable template, else you would get a message like this on clang:

/tmp/homebrew-osgworks-2.0-PtlR/osgw2/include/osgwTools/TransparencyUtils.h:138:10: error: 
      call to function 'isTransparent' that is neither visible in the template
      definition nor found by argument-dependent lookup
    if( !isTransparent( nodeOrDrawable->getStateSet() ) )
         ^
/tmp/homebrew-osgworks-2.0-PtlR/osgw2/src/osgwTools/TransparencyUtils.cpp:136:5: note: 
      in instantiation of function template specialization
      'osgwTools::transparentDisable<osg::Node>' requested here
    transparentDisable( &node );
    ^
/tmp/homebrew-osgworks-2.0-PtlR/osgw2/src/osgwTools/TransparencyUtils.cpp:34:6: note: 
      'isTransparent' should be declared prior to the call site or in namespace
      'osg'
bool isTransparent( const osg::StateSet* stateSet )
     ^
In file included from /tmp/homebrew-osgworks-2.0-PtlR/osgw2/src/osgwTools/TransparencyUtils.cpp:21:
/tmp/homebrew-osgworks-2.0-PtlR/osgw2/include/osgwTools/TransparencyUtils.h:138:10: error: 
      call to function 'isTransparent' that is neither visible in the template
      definition nor found by argument-dependent lookup
    if( !isTransparent( nodeOrDrawable->getStateSet() ) )
         ^
/tmp/homebrew-osgworks-2.0-PtlR/osgw2/src/osgwTools/TransparencyUtils.cpp:144:5: note: 
      in instantiation of function template specialization
      'osgwTools::transparentDisable<osg::Geode>' requested here
    transparentDisable( &geode );
    ^
/tmp/homebrew-osgworks-2.0-PtlR/osgw2/src/osgwTools/TransparencyUtils.cpp:34:6: note: 
      'isTransparent' should be declared prior to the call site or in namespace
      'osg'
bool isTransparent( const osg::StateSet* stateSet )
     ^
In file included from /tmp/homebrew-osgworks-2.0-PtlR/osgw2/src/osgwTools/TransparencyUtils.cpp:21:
/tmp/homebrew-osgworks-2.0-PtlR/osgw2/include/osgwTools/TransparencyUtils.h:138:10: error: 
      call to function 'isTransparent' that is neither visible in the template
      definition nor found by argument-dependent lookup
    if( !isTransparent( nodeOrDrawable->getStateSet() ) )
         ^
/tmp/homebrew-osgworks-2.0-PtlR/osgw2/src/osgwTools/TransparencyUtils.cpp:149:9: note: 
      in instantiation of function template specialization
      'osgwTools::transparentDisable<osg::Drawable>' requested here
        transparentDisable( geode.getDrawable( idx ) );
        ^
/tmp/homebrew-osgworks-2.0-PtlR/osgw2/src/osgwTools/TransparencyUtils.cpp:34:6: note: 
      'isTransparent' should be declared prior to the call site or in namespace
      'osg'
bool isTransparent( const osg::StateSet* stateSet )
     ^