/* -*- Mode: C++ -*- */

/*

 * libopenraw - neffile.h

 *

 * Copyright (C) 2006-2017 Hubert Figuiere

 * Copyright (C) 2008 Novell, Inc.

 *

 * This library is free software: you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License

 * as published by the Free Software Foundation, either version 3 of

 * the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library.  If not, see

 * <http://www.gnu.org/licenses/>.

 */

#ifndef OR_INTERNALS_NEFFILE_H_

#define OR_INTERNALS_NEFFILE_H_

#include <stdint.h>

#include <array>

#include <libopenraw/consts.h>

#include "rawfile.hpp"

#include "tiffepfile.hpp"

#include "ifdfile.hpp"

#include "io/stream.hpp"

namespace OpenRaw {

class RawData;

namespace Internals {

class RawContainer;

struct HuffmanNode;

class NefFile

    : public TiffEpFile

{

public:

    static RawFile *factory(const IO::Stream::Ptr & _f);

    NefFile(const IO::Stream::Ptr & _f);

    virtual ~NefFile();

    NefFile(const NefFile&) = delete;

    NefFile & operator=(const NefFile &) = delete;

    /** hack because some (lot?) D100 do set as compressed even though 

     *  it is not

     */

    static bool isCompressed(RawContainer & container, uint32_t offset);

    class NEFCompressionInfo {

    public:

        NEFCompressionInfo()

            : curve(0x8000, 0) {

        }

        uint16_t vpred[2][2];

        std::vector<uint16_t> curve;

        const HuffmanNode* huffman;

    };

private:

    static const IfdFile::camera_ids_t s_def[];

    bool _getCompressionCurve(RawData&, NEFCompressionInfo&);

    ::or_error _decompressNikonQuantized(RawData&);

    virtual ::or_error _decompressIfNeeded(RawData&, uint32_t) override;

};

}

}

#endif