crwimage.hpp

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// ***************************************************************** -*- C++ -*-
/*
 * Copyright (C) 2004-2018 Exiv2 authors
 * This program is part of the Exiv2 distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
 */
#ifndef CRWIMAGE_HPP_
#define CRWIMAGE_HPP_

// *****************************************************************************
#include "exiv2lib_export.h"

// included header files
#include "image.hpp"

// *****************************************************************************
// namespace extensions
namespace Exiv2 {

// *****************************************************************************
// class declarations
    class ExifData;
    class IptcData;

// *****************************************************************************
// class definitions

    // Add CRW to the supported image formats
    namespace ImageType {
        const int crw = 3;          
    }

    class EXIV2API CrwImage : public Image {
    public:


        CrwImage(BasicIo::AutoPtr io, bool create);


        void readMetadata();
        void writeMetadata();
        void setIptcData(const IptcData& iptcData);


        std::string mimeType() const;
        int pixelWidth() const;
        int pixelHeight() const;

    private:

        CrwImage(const CrwImage& rhs);
        CrwImage& operator=(const CrwImage& rhs);

    }; // class CrwImage

    class EXIV2API CrwParser {
    public:
        static void decode(CrwImage* pCrwImage, const byte* pData, uint32_t size);
        static void encode(
                  Blob&     blob,
            const byte*     pData,
                  uint32_t  size,
            const CrwImage* pCrwImage
        );

    }; // class CrwParser

// *****************************************************************************
// template, inline and free functions

    // These could be static private functions on Image subclasses but then
    // ImageFactory needs to be made a friend.
    EXIV2API Image::AutoPtr newCrwInstance(BasicIo::AutoPtr io, bool create);

    EXIV2API bool isCrwType(BasicIo& iIo, bool advance);

}                                       // namespace Exiv2

#endif                                  // #ifndef CRWIMAGE_HPP_