symbimgdec.h

来自「symbian 下的helix player源代码」· C头文件 代码 · 共 80 行

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
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 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
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 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
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 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
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 * Contributor(s): 
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 * ***** END LICENSE BLOCK ***** */ 

#ifndef SYMBIMGDEC_H
#define SYMBIMGDEC_H

// Forward declarations
typedef _INTERFACE IHXBuffer IHXBuffer;
class CMdaImageFileToBitmapUtility;
class CFbsBitmap;

class CSymbianImageDecoder : public CNativeImageDecoder,
                             public MMdaImageUtilObserver
{
public:
    CSymbianImageDecoder();
    virtual ~CSymbianImageDecoder();

    // CNativeImageDecoder methods
    STDMETHOD(Decode) (THIS_ IUnknown*                    pContext,
                             CNativeImageDecoderResponse* pResponse,
                             IHXBuffer*                   pBuffer,
                             IHXBuffer*                   pMimeTypeStr);

    // MMdaImageUtilObserver methods
    virtual void MiuoOpenComplete(TInt aError);
    virtual void MiuoConvertComplete(TInt aError);
    virtual void MiuoCreateComplete(TInt aError);
protected:
    enum
    {
        kStateReady,
        kStateOpenCompletePending,
        kStateConvertCompletePending
    };

    CMdaImageDescToBitmapUtility* m_pConverter;
    CFbsBitmap*                   m_pBitmap;
    IHXBuffer*                    m_pInputBuffer;
    TPtrC8*                       m_pInput;
    UINT32                        m_ulState;
    BOOL                          m_bIsWBMP;
    TMdaClipFormat*               m_pFormat;
    TMdaPackage*                  m_pCodec;
};

#endif /* #ifndef SYMBIMGDEC_H */