photosgallery/viewframework/medialists/inc/glximagereader.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:10:37 +0200
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/*
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* Copyright (c) 2008-2009 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:   imagereader header file
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*
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*/
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#ifndef GLXIMAGEREADER_H_
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#define GLXIMAGEREADER_H_
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#include <imageconversion.h>
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#include "glximageviewermanager.h"
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class CFbsBitmap;
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/**
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 *  Image Size observer.
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 *
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 *  Callback interface for getting size information of a given image.
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 */
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class MImageReadyCallBack
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    {
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public:
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    /**
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     * Getting image size information is complete.
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     *
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     * @param aError         Error code.
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     * @param aSz            Size of the image.
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     */    
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    virtual void ImageSizeReady(TInt aError, const TSize aSz) = 0;
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    };
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/**
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 *  CGlxImageReader
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 *
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 *  Image Attributes Reader
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 *
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 *  @lib glxmedialists.lib
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 */
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class CGlxImageReader : public CActive
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    {
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private:
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    static CGlxImageReader* NewLC(MImageReadyCallBack& aNotify);
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    CGlxImageReader(MImageReadyCallBack& aNotify);
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    void ConstructL();
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    void GetFileTypeL(TDataType aMimeType);
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protected:
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    void DoCancel();
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    void RunL();
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public:
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    static CGlxImageReader* NewL(MImageReadyCallBack& aNotify);
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    ~CGlxImageReader();
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    TInt GetDRMRightsL(TInt aAttribute);
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private:
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    MImageReadyCallBack&                iNotify;
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    CImageDecoder*                      iImageDecoder;
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    CFbsBitmap*                         iFrame;
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    CGlxImageViewerManager*             iImgViewerMgr;
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    };
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#endif /* GLXIMAGEREADER_H_ */