--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtprotocolplugins/DisplaySink/inc/CVtImageRotatorImplClockwise.h	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,105 @@
+/*
+* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:
+*
+* Description:    Image Transforms subsystem.
+*
+*/
+
+
+
+
+#ifndef CVTIMAGEROTATORIMPLCLOCKWISE_H
+#define CVTIMAGEROTATORIMPLCLOCKWISE_H
+
+// INCLUDE FILES
+
+#include "CVtImageRotatorImpl.h"
+
+// FORWARD DECLARATIONS
+
+class CVtImage;
+
+// CLASS DECLARATIONS
+
+/**
+*  Image scaler implementation.
+*
+*  @lib videosource.lib
+*/
+class CVtImageRotatorImplClockwise : public CVtImageRotatorImpl
+    {
+    public:
+        /**
+        * C++ constructor
+        * @param "aAngle" Selected rotation angle.
+        */
+        CVtImageRotatorImplClockwise( const CVtImageRotator::TRotationAngle& aAngle );
+        
+        /**
+        * Rotates the image.
+        * @param "aContinue" When method returns, this parameter will contain
+        * ETrue if new call is needed (i.e. scaling is not yet finished) or
+        * EFalse if scaling is complete.
+        * @return KErrNone or one of the system wide error codes.
+        */
+        TInt Rotate( TBool& aContinue );
+
+        /**
+        * Source and target image validation method.
+        * @param "aSource" Constant reference to source image.
+        * @param "aTarget" Constant reference to target image.
+        * @exception If source or target is not valid, this method leaves
+        * with KErrNotSupported.
+        */
+        void ValidateSourceTargetL( 
+            const CVtImage& aSource, 
+            CVtImage& aTarget );
+
+        /**
+        * Method for checking specific rotation angle support.
+        * @param "aAngle" Rotation type that will be needed.
+        * @return ETrue if aAngle is one of the supported rotation types
+        * EFalse otherwise.
+        */
+        TBool SupportsRotationAngle( const CVtImageRotator::TRotationAngle& aAngle );
+
+    private:
+
+        /**
+        * The rotation implementation.
+        */
+        void DoRotate();
+    
+        /**
+        * The rotation implementation for YUV planes.
+        * @param "aSource" Constant pointer to source plane.
+        * @param "aTarget" Pointer to target plane.
+        * @param "aWidth" Width of the plane in pixels.
+        * @param "aHeight" Height of the plane in pixels.
+        * @param "aBytesPerRow" Bytes per row in plane.
+        */
+        void RotatePlane( 
+            const TUint8* aSource, 
+            TUint8* aTarget, 
+            TInt aSourceWidth, 
+            TInt aSourceHeight, 
+            TInt aSourceBytesPerRow,
+            TInt aTargetHeight,
+            TInt aTargetBytesPerRow );
+    };
+
+#endif // CVTIMAGEROTATORIMPLCLOCKWISE_H
+            
+// End of File
+
+