/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2023 Osimis S.A., Belgium
 * Copyright (C) 2024-2026 Orthanc Team SRL, Belgium
 * Copyright (C) 2021-2026 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
 *
 * This program 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 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program. If not, see
 * <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "../../Compatibility.h"
#include "../../Enumerations.h"

#include <dcmtk/dcmdata/dcdatset.h>
#include <dcmtk/dcmdata/dcfilefo.h>
#include <vector>
#include <stdint.h>
#include <boost/noncopyable.hpp>
#include <memory>

namespace Orthanc
{
  class DicomFrameIndex
  {
  private:
    class IIndex : public boost::noncopyable
    {
    public:
      virtual ~IIndex()
      {
      }

      virtual void GetRawFrame(std::string& frame,
                               unsigned int index) const = 0;

      virtual uint8_t* GetRawFrameBuffer(unsigned int index) = 0;
    };

    class FragmentIndex;
    class UncompressedIndex;
    class PsmctRle1Index;

    std::unique_ptr<IIndex>  index_;
    unsigned int             countFrames_;

  public:
    explicit DicomFrameIndex(DcmDataset& dicom);

    unsigned int GetFramesCount() const
    {
      return countFrames_;
    }

    void GetRawFrame(std::string& frame,
                     unsigned int index) const;

    static unsigned int GetFramesCount(DcmDataset& dicom);

    uint8_t* GetRawFrameBuffer(unsigned int index);
  };
}
