--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/skins/AknSkins/rlplugininc/AknsRlEffectPluginMovingLayers.h	Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,146 @@
+/*
+* Copyright (c) 2004-2008 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:  Provides moving layer(s) functionality.
+*
+*/
+
+
+#ifndef AKNSRLEFFECTPLUGINMOVINGLAYERS_H
+#define AKNSRLEFFECTPLUGINMOVINGLAYERS_H
+
+//  INCLUDES
+#include "AknsRlEffectPlugin.h"
+#include <AknsRlEffect.h>
+
+// CONSTANTS
+
+// Effect plugin UID
+const TInt KAknsRlEffectPluginMovingLayersUID = 0x1020762D;
+
+// Constants for parameter names
+_LIT( KAknsRlEffectMovingLayersAX, "ax" );
+_LIT( KAknsRlEffectMovingLayersAY, "ay" );
+_LIT( KAknsRlEffectMovingLayersBX, "bx" );
+_LIT( KAknsRlEffectMovingLayersBY, "by" );
+
+_LIT( KAknsRlEffectMovingLayersAXY, "axy" );
+_LIT( KAknsRlEffectMovingLayersBXY, "bxy" );
+
+// CLASS DECLARATION
+
+/**
+* Moving layers can use two input layers. Input layer A is used as a
+* background. Input layer B is blended on A using input mask B. Input mask A is
+* ignored. The origin of both input layers can be moved (results in tiling,
+* seamless layer textures recommended).
+*
+* It is also possible to use input layer A only.
+*
+* @since 3.0
+*/
+class CAknsRlEffectPluginMovingLayers:
+    public CAknsRlEffectPlugin,
+    public MAknsRlEffect
+    {
+    public: // Constructors and destructor
+
+        /**
+        * Default constructor.
+        *
+        * @since 3.0
+        */
+        CAknsRlEffectPluginMovingLayers();
+
+        /**
+        * Destructor.
+        *
+        * @since 3.0
+        */
+        virtual ~CAknsRlEffectPluginMovingLayers();
+
+    public: // Implementation of CAknsEffectPlugin
+
+       TUid EffectUid() const;
+       MAknsRlEffect* Effect( const TInt aInterface );
+
+    public: // Implementation of MAknsRlEffect
+
+        void InitializeL();
+        void Release();
+
+        void ActivateL( MAknsRlEffectContext* aContext );
+        void Deactivate();
+
+        /**
+        * Accepted named parameters:
+        *
+        * - "ax", integer, coordinate x of A's origin
+        * - "ay", integer, coordinate y of A's origin
+        * - "bx", integer, coordinate x of B's origin
+        * - "by", integer, coordinate y of B's origin
+        *
+        * Coordinate (ax, ay) defines the origin of input layer A on output.
+        * Coordinate (bx, by) defines the origin of input layer B on output.
+        * Coordinates are in pixels and allowed range is [MIN_INT, MAX_INT].
+        *
+        * Alternatively you can use the next parameters:
+        * - "axy", descriptor, point (x, y) of A's origin
+        * - "bxy", descriptor, point (x, y) of B's origin
+        *
+        * Descriptor size must be at least 2, extra elements are ignored. First
+        * element is coordinate x, second element is coordinate y. Coordinates
+        * are in pixels and allowed range is full 16-bit ingeter.
+        */
+        void SetParametersL( MAknsRlParameterIterator& aParameters );
+
+        /**
+        * Supported modes:
+        * - EColor64K -> EColor64K
+        * - EColor16MU -> EColor16MU
+        * - EGray256 -> EGray256
+        *
+        * Masks are optional, mask A is always ignored. Target layer A is
+        * required. Target layer B is optional. Output layer mask is optional,
+        * cleared to white if exists.
+        */
+        void GetCapabilities( TAknsRlEffectCaps& aCaps );
+
+        TInt Render( const TAknsRlRenderOpParam& aParam );
+
+    private:
+        TInt CreateTempBitmap( const CFbsBitmap& aBitmap );
+        void DeleteTempBitmap();
+
+    private:
+
+        MAknsRlEffectContext* iContext;
+
+        TInt iAx;
+        TInt iAy;
+        TInt iBx;
+        TInt iBy;
+
+        /**
+        * Temporary bitmap for cases where the target layer is the input layer
+        * -> input layer must be stored to a temporary bitmap.
+        */
+        CFbsBitmap* iTempBitmap;
+        CFbsBitmapDevice* iTempDevice;
+        CFbsBitGc* iTempContext;
+    };
+
+#endif // AKNSRLEFFECTPLUGINMOVINGLAYERS_H
+
+// End of File
+