--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/lcdgr/inc/LcdFbsImageCache.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,106 @@
+/*
+* Copyright (c) 2005 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:
+*
+*/
+
+
+#ifndef LCDFBSIMAGECACHE_H
+#define LCDFBSIMAGECACHE_H
+
+#include <e32base.h>
+#include <gdi.h>
+#include <fbs.h>
+#include <lcdgr.h>
+#include <lcdgdrv.h>
+#include "LcdFbsImage.h"
+
+struct TLcdFbsImageEntry
+{
+    MMIDImage*       iImage;
+    TBool            iPrimary;
+    TDisplayMode     iColorMode;
+    TDisplayMode     iAlphaMode;
+    TBool            iInvertMask;
+    MMIDBitmapImage* iBitmapRep;
+};
+
+/**
+ *
+ */
+NONSHARABLE_CLASS(CLcdFbsImageCache) : public CBase
+{
+public:
+    static CLcdFbsImageCache* NewL(CLcdGraphicsDriver& aDriver, TDisplayMode aDefaultColorMode, TDisplayMode aDefaultAlphaMode, TBool aDefaultInverted);
+    CLcdFbsImageCache(CLcdGraphicsDriver& aDriver);
+    ~CLcdFbsImageCache();
+
+
+    /**
+     * Find the primary bitmap image representation of aImage.
+     *
+     *@return a bitmap image or NULL if no appropriate bitmap representation of aImage exists.
+     */
+    MMIDBitmapImage* GetBitmapImage(MMIDImage* aImage);
+
+    /**
+     * Find a bitmap image representation of aImage with color bitmap in displaymode aColorMode, and alpha
+     * bitmap (if present) in displaymode aAlphaMode. If aColorMode or aAlphaMode are equal to
+     * MMIDBitmapImage::EDefaultDisplayMode, then the implementation will select a mode based on the image
+     * pixel format.
+     *
+     *@return a bitmap image or NULL if no appropriate bitmap representation of aImage exists.
+     */
+    MMIDBitmapImage* GetBitmapImage
+    (
+        MMIDImage* aImage,
+        TInt aColorMode,
+        TInt aAlphaMode,
+        TBool aInvertMask
+    );
+
+    /**
+     * Find or create a bitmap image representation of aImage with a color bitmap in displaymode aColorMode and
+     * alpha bitmap (if present) in displaymode  aAlphaMode.
+     *
+     *@return a bitmap image representation.
+     *
+     * Will leave with one of the system error codes if a bitmap representation does not exist and one cannot
+     * be created.
+     */
+    MMIDBitmapImage* GetBitmapImageL
+    (
+        MMIDImage* aImage,
+        TInt aColorMode=MMIDBitmapImage::EDefaultDisplayMode,
+        TInt aAlphaMode=MMIDBitmapImage::EDefaultDisplayMode,
+        TBool aInvertMask=EFalse
+    );
+
+    void RegisterL(MMIDImage* aImage, TBool aInverted, MMIDBitmapImage* aImageRep);
+    void Purge(MMIDImage* aImage);
+
+private:
+    MMIDBitmapImage* CreateBitmapImageRepLC(MMIDImage& aImage, TDisplayMode aColorMode, TDisplayMode aAlphaMode, TBool aInvertMask);
+    void RemoveEntry(TInt);
+
+private:
+    CLcdGraphicsDriver& iDriver;
+    TDisplayMode iDefaultColorMode;
+    TDisplayMode iDefaultAlphaMode;
+    TBool iDefaultInverted;
+    RArray<TLcdFbsImageEntry>       iEntries;
+    TLinearOrder<TLcdFbsImageEntry> iOrder;
+};
+
+#endif // LCDFBSIMAGECACHE_H