--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/Client/inc/alftransformationsubsession.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,122 @@
+/*
+* Copyright (c) 2006 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:   Sub-session for transformation
+*
+*/
+
+
+
+#ifndef R_ALFTRANSFORMATIONSUBSESSION_H
+#define R_ALFTRANSFORMATIONSUBSESSION_H
+
+#include <e32std.h>
+#include "alfclient.h"
+#include "alf/alftransformation.h"
+
+/**
+ *  Sub-session for transformation
+ *
+ *  @lib alfclient.lib
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS( RAlfTransformationSubSession ): public RSubSessionBase 
+    {
+
+public:
+
+    /**
+     * Open subsession for given session.
+     *
+     * @param aSession Used session.
+     * @return Error code.
+     */
+    TInt Open( RAlfClient& aSession );
+    
+    /**
+     *  Closes the subsession.
+     */
+    void Close();
+
+    /**
+     * Loads transformation identity matrix i.e. reset.
+     */
+    void LoadIdentity();
+    
+    /**
+     * 2D translation.
+     *
+     * @param aX X coordinate.
+     * @param aY Y coordinate.
+     */
+    void Translate( TReal32 aX, TReal32 aY );
+    
+    /**
+     * 2D rotation.
+     *
+     * @param aAngle Rotation angle.
+     */
+    void Rotate( const TAlfTimedValue& aAngle );
+
+    /**
+     * Returns the number of transform steps in the transformation.
+     */
+    TInt Count() const;
+    
+    /**
+     * Returns the number of non-identity transform steps in the transformation.
+     * Non-identity steps will result in the transformation having an effect
+     * on geometry.
+     */
+    TInt NonIdentityCount() const;
+
+    /**
+     * Returns a one of the transformation steps so that it 
+     * can be modified and set with SetStep method.
+     *
+     * @param aIndex  Index of the transformation step.
+     *
+     * @return  Transformation step. 
+     */
+    CAlfTransformation::TTransform Step(TInt aIndex);
+
+    /**
+     * Modifies a one of the transformation steps by replacing
+     * the existing step with a given step.
+     *
+     * @param aIndex  Index of the transformation step to be replaced
+     *
+     * @return  Transformation step. 
+     */
+    void ReplaceStep(TInt aIndex, CAlfTransformation::TTransform aTransformationStep);
+
+    /**
+     * 3D rotation with timed values.
+     */
+    void Rotate(const TAlfTimedValue& aAngle, 
+                         TReal32 aAxisX, TReal32 aAxisY, TReal32 aAxisZ);
+    
+    /**
+     * 2D translation with timed values.
+     */
+    void Translate(const TAlfTimedValue& aX, const TAlfTimedValue& aY);
+
+    /**
+     * 3D scaling with timed values.
+     */
+    void Scale(const TAlfTimedValue& aX, const TAlfTimedValue& aY,
+                        const TAlfTimedValue& aZ);
+    };
+
+
+#endif // R_ALFTRANSFORMATIONSUBSESSION_H