--- a
+++ b/multilayer.c
@@ -0,0 +1,42 @@
+/* Panorama_Tools	-	Generate, Edit and Convert Panoramic Images
+   Copyright (C) 1998,1999 - Helmut Dersch  der@fh-furtwangen.de
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/*------------------------------------------------------------*/
+
+// This file contains functions to handle multilayer files
+// The 8bit versions are PS-compatible
+
+#include "filter.h"
+
+
+void	DisposeMultiLayerImage( MultiLayerImage *mim ){
+	int i;
+	
+	if( mim->Layer != NULL ){
+		for( i=0; i<mim->numLayers; i++){
+			if( mim->Layer[i].data != NULL ){
+				myfree((void**)mim->Layer[i].data);
+			}
+		}		
+		free( mim->Layer );
+	}
+}
+
+// obsolete dummies
+double OverlapRMS( MultiLayerImage *mim ){ return 0.0; }
+
+