emailuis/uicomponents/inc/fsbitmapprovider.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:39:21 +0200
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/*
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* Copyright (c) 2007-2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: This file defines class CFsBitmapProvider.
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*
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*/
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#ifndef __FSBITMAPPROVIDER_H__
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#define __FSBITMAPPROVIDER_H__
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// INCLUDES
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#include <e32std.h>
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#include <e32base.h>
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//<cmail> removed __FS_ALFRED_SUPPORT flag 
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//#include <fsconfig.h>
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//</cmail> removed __FS_ALFRED_SUPPORT flag 
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//<cmail> SF
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#include <alf/alfbitmapprovider.h>
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#include <alf/alftexture.h>
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//</cmail>
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// FORWARD DECLARATIONS
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class CFbsBitmap;
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// CLASS DECLARATION
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/**
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*  CFsTextureLoader
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*  Loader
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*/
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class CFsBitmapProvider
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    : public CBase
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      ,public MAlfBitmapProvider
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    {
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    public:
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        static CFsBitmapProvider* NewL( const CFbsBitmap* aBitmap,
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                                        const CFbsBitmap* aBitmapMask,
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                                        const TInt aId
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                                      );
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    public: //
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        virtual ~CFsBitmapProvider();
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    public:
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        TInt Id() const;
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    private: // Constructors
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        /**
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         * C++ Constructor
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         * @param aId Provider identifier
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         */
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        CFsBitmapProvider( const TInt aId );
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        /**
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         * Symbian 2nd-phase constructor
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         * @param aId Provider identifier
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         */
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        void ConstructL( const CFbsBitmap* aBitmap, 
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                         const CFbsBitmap* aBitmapMask
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                       );
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    private: // from MHuiBitmapProvider
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        /**
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         * Provide a bitmap and mask from the given UID.
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         * This method should create a bitmap and its mask, usually by loading it from disk.
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         *
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         * @param aId      TextureManager id of this bitmap, may be used for extracting
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         *                 an icon resource.
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         * @param aBitmap  Output parameter for the provider: On return, has to store 
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         *                 a pointer to the generated bitmap. Ownership transferred to caller.
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	     *                 The support for input CFbsBitmap formats varies between 
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	     *                 different renderers. See \ref cfbsbitmapsupport 
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	     *                 Table describing renderer bitmap support.      
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	     * @param aMaskBitmap  
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	     *                 Output parameter for the provider: On return, has to store 
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         *                 a pointer to the generated alpha mask or <code>NULL</code> 
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         * 				   if there is no mask. Ownership of the bitmap is transferred 
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         *                 to the caller.
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         * 
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         * @see CHuiTextureManager::CreateTextureL()
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         */
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        virtual void ProvideBitmapL( TInt aId, 
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                              CFbsBitmap*& aBitmap, 
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                              CFbsBitmap*& aMaskBitmap
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                            );
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    private: // Data
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        /** Owns: */
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        CFbsBitmap* iBitmap;
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        /** Owns: */
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        CFbsBitmap* iBitmapMask;
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        /** Identifier */
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        const TInt iId;
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    };
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#endif // __FSBITMAPPROVIDER_H__
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// End of File