--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imageeditorengine/inc/CFilterStack.h	Fri Jan 29 13:53:17 2010 +0200
@@ -0,0 +1,72 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - Initial contribution
+*
+* Contributors:
+* Ixonos Plc
+*
+* Description:  
+*
+*/
+
+
+#ifndef __CFILTERSTACK_H__
+#define __CFILTERSTACK_H__
+
+#include <e32base.h>
+#include "MImageFilter.h"
+
+
+class TFilter
+	{
+	public:
+		inline ~TFilter()
+			{
+			delete iFilter;
+			iLibrary.Close();
+			}
+		MImageFilter* iFilter;
+		RLibrary iLibrary;
+	};
+
+class CFilterStack
+	: public CBase
+	{
+	public:
+		static CFilterStack* NewL();
+		~CFilterStack();
+
+	private:
+		CFilterStack();
+		void ConstructL();
+
+	public:
+		MImageFilter* Filter( TInt aPosition );
+
+		void AddFilterL( const TDesC& aName );
+		void AddFilterL( const TDesC& aName, TInt aPosition );
+		void AddFilterL( const TFilter * aFilter );
+		void AddFilterL( const TFilter * aFilter, const TInt aPosition );
+
+		void RemoveFilter( TInt aPosition );
+		void RemoveFilter ( TInt aPosition, TFilter *& aFilter );
+
+		TInt FunctionL( TInt aPosition, const TDesC& aCmd );
+		TInt NumFilters();
+
+	private:
+		void InitStack();
+
+	private:
+		RPointerArray< TFilter >iStack;
+	};	
+
+
+#endif