1.1 --- a/epoc32/include/exiftag.h	Tue Nov 24 13:55:44 2009 +0000
     1.2 +++ b/epoc32/include/exiftag.h	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -1,1 +1,124 @@
     1.4 -exiftag.h
     1.5 +/*
     1.6 +* Copyright (c) 2003, 2004 Nokia Corporation and/or its subsidiary(-ies).
     1.7 +* All rights reserved.
     1.8 +* This component and the accompanying materials are made available
     1.9 +* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
    1.10 +* which accompanies this distribution, and is available
    1.11 +* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.12 +*
    1.13 +* Initial Contributors:
    1.14 +* Nokia Corporation - initial contribution.
    1.15 +*
    1.16 +* Contributors:
    1.17 +*
    1.18 +* Description:  Exif tag wrapper 
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +
    1.24 +#ifndef EXIFTAG_H
    1.25 +#define EXIFTAG_H
    1.26 +
    1.27 +//  INCLUDES
    1.28 +#include <e32base.h>
    1.29 +
    1.30 +// CONSTANTS
    1.31 +
    1.32 +// MACROS
    1.33 +
    1.34 +// DATA TYPES
    1.35 +
    1.36 +// FUNCTION PROTOTYPES
    1.37 +
    1.38 +// FORWARD DECLARATIONS
    1.39 +class TExifTagInfo;
    1.40 +
    1.41 +// CLASS DECLARATION
    1.42 +
    1.43 +/**
    1.44 +*  Interface class for handling Exif Tags. 
    1.45 +*  This class is used to get tag data from an Exif image.
    1.46 +*  @lib ExifLib
    1.47 +*  @since 2.6 
    1.48 +*/
    1.49 +NONSHARABLE_CLASS( CExifTag ): public CBase
    1.50 +    {
    1.51 +	public:  // Enumerations
    1.52 +
    1.53 +        /**
    1.54 +        * Tag Data type enumeration.
    1.55 +        */
    1.56 +    	enum TExifTagDataType
    1.57 +            {
    1.58 +        	ETagByte = 1,
    1.59 +        	ETagAscii = 2,
    1.60 +        	ETagShort = 3,
    1.61 +        	ETagLong = 4,
    1.62 +        	ETagRational = 5,
    1.63 +        	ETagUndefined = 7,
    1.64 +        	ETagSlong = 9,
    1.65 +        	ETagSrational = 10
    1.66 +            };
    1.67 +
    1.68 +    public:
    1.69 +        
    1.70 +        /**
    1.71 +        * Destructor.
    1.72 +        */
    1.73 +        virtual ~CExifTag();
    1.74 +
    1.75 +    public: // New functions
    1.76 +        
    1.77 +        /**
    1.78 +        * Duplicate constructor. Creates an exact copy instance of the tag.
    1.79 +        * @since 2.6 
    1.80 +        * @param 
    1.81 +        * @return An instance of this class including the same contents of 
    1.82 +        * this instance.
    1.83 +        */
    1.84 +     	virtual CExifTag* DuplicateL() const = 0;
    1.85 +
    1.86 +        /**
    1.87 +        * Returns the informative fields of a tag.
    1.88 +        * @since 2.6 
    1.89 +        * @param 
    1.90 +        * @return TExifTagInfo structure including informative fields of a tag
    1.91 +        */
    1.92 +    	virtual TExifTagInfo TagInfo() const = 0;
    1.93 +
    1.94 +        /**
    1.95 +        * Returns data contents of a tag
    1.96 +        * @since 2.6 
    1.97 +        * @param 
    1.98 +        * @return Unmodifiable pointer to tag data.
    1.99 +        */
   1.100 +    	virtual TPtrC8 Data() const = 0;
   1.101 +
   1.102 +    };
   1.103 +
   1.104 +
   1.105 +class TExifTagInfo
   1.106 +    {    
   1.107 +    public:  // Constructors and destructor
   1.108 +
   1.109 +        IMPORT_C TExifTagInfo( 
   1.110 +            TUint16 aTagId, 
   1.111 +            CExifTag::TExifTagDataType aDataType, 
   1.112 +            TUint32 aDataCount );
   1.113 +    
   1.114 +    public:     // Data
   1.115 +
   1.116 +        // Tag ID
   1.117 +    	TUint16 iId;
   1.118 +
   1.119 +        // Tag data type
   1.120 +    	CExifTag::TExifTagDataType iDataType;
   1.121 +
   1.122 +        // Number of tag data elements (having tag data type).
   1.123 +    	TUint32 iDataCount;
   1.124 +    };
   1.125 +
   1.126 +#endif      // EXIFTAG_H   
   1.127 +            
   1.128 +// End of File