--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/skins/AknSkins/inc/AknsScalabilityUtils.h	Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2004-2007 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:  Internal utility class to handle scalability-related
+                 operations.
+*
+*/
+
+
+#ifndef AKNSSCALABILITYUTILS_H
+#define AKNSSCALABILITYUTILS_H
+
+// INCLUDES
+#include <AknsItemData.h>
+#include "AknsAppSkinInstance.h"
+
+// FORWARD DECLARATIONS
+class MAknsSkinInstance;
+class CBitmapContext;
+class CAknsItemDef;
+class CAknsRlMasterLayout;
+class TAknsBackground;
+
+// CLASS DECLARATION
+
+/**
+* Internal utility class for scalability-related operations.
+*
+* @since 2.8
+*
+* @internal
+*/
+NONSHARABLE_CLASS(AknsScalabilityUtils)
+    {
+
+    public: // New methods
+
+        /**
+        * Performs scalability-aware drawing of a bitmap.
+        * @internal
+        * @since 2.8
+        */
+        static TBool DrawPartialCachedImage(
+            MAknsSkinInstance* aSkin, CBitmapContext& aGc,
+            const TRect& aTrgLayoutRect, const TRect& aTrgDrawRect,
+            CAknsImageItemData* aImgData, const TAknsItemID& aIID,
+            const TAknsImageAttributeData* aAttr,
+            const TInt aDrawParam );
+
+        /**
+        * Processes (and re-ceates if necessary) an item def.
+        *
+        * @internal
+        *
+        * @since 2.8
+        */
+        static CAknsItemDef* ProcessDefL( CAknsItemDef* aDef );
+
+        /**
+        * Converts the given effect queue item to a rendered bitmap
+        * item, if possible.
+        *
+        * @internal
+        *
+        * @since 2.8
+        *
+        * @return Cached pointer to the bitmap item data, or @c NULL.
+        *   No ownership is transferred.
+        */
+        static CAknsImageItemData* ConvertToBitmap(
+            CAknsAppSkinInstance* aSkin, const TAknsItemID aIID,
+            const TAknsBackground* aLayout );
+
+        /**
+        * Gets the concrete item ID of a scalable item:
+        *
+        * @since 2.8
+        *
+        * @internal
+        */
+        static TAknsItemID ConcreteEffectQueue( CAknsAppSkinInstance* aSkin,
+            const TAknsItemID& aIID );
+
+        /**
+        * Gets the backward-compatibility adjusted skin color.
+        *
+        * @since 2.8
+        *
+        * @internal
+        *
+        * @return @c ETrue if color assigned, @c EFalse otherwise.
+        */
+        static TBool GetBackwardCompatibilityColor(
+            MAknsSkinInstance* aInstance, TRgb& aRgb,
+            const TAknsItemID& aID, const TInt aIndex );
+
+    protected: // New methods
+
+       /**
+        * Renders the given item recursively, placing the resulting
+        * bitmaps back to the cached content.
+        *
+        * @internal
+        *
+        * @since 2.8
+        *
+        * @return Rendered bitmap, no ownership transferred.
+        */
+        static CAknsImageItemData* RecursiveCacheRenderL(
+            CAknsAppSkinInstance* aSkin,
+            const TAknsItemID aIID, const TInt aLayoutType,
+            CAknsRlMasterLayout& aLayoutMaster,
+            const TSize& aLayoutSize, TRect& aRectOut, TBool& aMorphingOut,
+            TBool& aEmpty );
+
+    private: // Construction and destruction
+
+        AknsScalabilityUtils();
+        ~AknsScalabilityUtils();
+
+    };
+
+#endif // AKNSSCALABILITYUTILS_H
+
+// End of File