imageeditorengine/filters/FilterContrast/Inc/CFilterContrast.h
changeset 1 edfc90759b9f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imageeditorengine/filters/FilterContrast/Inc/CFilterContrast.h	Fri Jan 29 13:53:17 2010 +0200
@@ -0,0 +1,58 @@
+/*
+* 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 __CFilterContrast_H__
+#define __CFilterContrast_H__
+
+#include <e32base.h>
+#include "MImageFilter.h"
+
+class CFilterContrast
+	: public CBase
+	, public MImageFilter
+	{
+	public:
+		IMPORT_C static TInt Create();
+		virtual ~CFilterContrast();
+	
+	private:
+		static CFilterContrast* NewL();
+		CFilterContrast();
+		void ConstructL();
+	
+	public: // MImageFilter
+		virtual TRect Rect();
+        virtual TReal Scale();
+        virtual TSize ViewPortSize();
+		virtual TBlock * GetBlockL ( const TRect & aRect );
+		virtual void SetParent( MImageFilter* aParent );
+		virtual void SetChild( MImageFilter* aChild );
+		virtual TInt CmdL( const TDesC16& aCmd );
+		virtual const char* Type();
+
+    private:
+        void ComputeContrastStretchL();
+            
+	private: // Data
+
+        TUint8		iLUT[256];
+        TInt        iContrast;
+	};
+
+#endif