// ***************************************************************** -*- 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.

 */

/*!

  @file    cr2image_int.hpp

  @brief   Internal classes to support CR2 image format

  @author  Andreas Huggel (ahu)

           ahuggel@gmx.net

  @date    23-Apr-08, ahu: created

 */

#ifndef CR2IMAGE_INT_HPP_

#define CR2IMAGE_INT_HPP_

// *****************************************************************************

// included header files

#include "tiffimage_int.hpp"

// *****************************************************************************

// namespace extensions

namespace Exiv2 {

    namespace Internal {

// *****************************************************************************

// class definitions

    /// @brief Canon CR2 header structure.

    class Cr2Header : public TiffHeaderBase {

    public:

        //! @name Creators

        //@{

        //! Default constructor

        explicit Cr2Header(ByteOrder byteOrder =littleEndian);

        //! Destructor.

        ~Cr2Header();

        //@}

        //! @name Manipulators

        //@{

        bool read(const byte* pData, uint32_t size);

        //@}

        //! @name Accessors

        //@{

        DataBuf write() const;

        bool isImageTag(      uint16_t       tag,

                              IfdId          group,

                        const PrimaryGroups* pPrimaryGroups) const;

        //@}

        //! Return the address of offset2 from the start of the header

        static uint32_t offset2addr() { return 12; }

    private:

        // DATA

        uint32_t              offset2_;   //!< Bytes 12-15 from the header

        static const char*    cr2sig_;    //!< Signature for CR2 type TIFF

    }; // class Cr2Header

}}                                      // namespace Internal, Exiv2

#endif                                  // #ifndef CR2IMAGE_INT_HPP_