Index: trunk/ppSub/src/ppSub.h
===================================================================
--- trunk/ppSub/src/ppSub.h	(revision 31156)
+++ trunk/ppSub/src/ppSub.h	(revision 41382)
@@ -190,4 +190,17 @@
 void ppSubSetThreads (void);
 
+// ppSubMaskSetInMetadata examines named mask values and set the bits for maskValue and
+// markValue.  Ensures that the below-named mask values are set, and calculates the mask value
+// to catch all of the mask values marked as 'bad'.  Supplies the fallback name if the primary
+// name is not found, or the default values if the fallback name is not found.
+bool ppSubMaskSetInMetadata(psImageMaskType *outMaskValue, // Value of MASK.VALUE, returned
+                               psImageMaskType *outMarkValue, // Value of MARK.VALUE, returned
+                               psMetadata *source  // Source of mask bits
+  );
+
+// lookup an image mask value by name from a psMetadata, without requiring the entry to
+// be of type psImageMaskType, but verifying that it will fit in psImageMaskType
+psImageMaskType psMetadataLookupImageMaskFromGeneric (bool *status, const psMetadata *md, const char *name);
+
 ///@}
 #endif