/*
 *
 *  Copyright (C) 2001-2017, OFFIS e.V.
 *  All rights reserved.  See COPYRIGHT file for details.
 *
 *  This software and supporting documentation were developed by
 *
 *    OFFIS e.V.
 *    R&D Division Health
 *    Escherweg 2
 *    D-26121 Oldenburg, Germany
 *
 *
 *  Module:  dcmjpeg
 *
 *  Author:  Marco Eichelberg, Norbert Olges
 *
 *  Purpose: Codec class for decoding JPEG Lossless (8/12/16-bit)
 *
 */

#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmjpeg/djdeclol.h"
#include "dcmtk/dcmjpeg/djcparam.h"
#include "dcmtk/dcmjpeg/djrplol.h"
#include "dcmtk/dcmjpeg/djdijg8.h"
#include "dcmtk/dcmjpeg/djdijg12.h"
#include "dcmtk/dcmjpeg/djdijg16.h"

DJDecoderLossless::DJDecoderLossless()
: DJCodecDecoder()
{
}


DJDecoderLossless::~DJDecoderLossless()
{
}


E_TransferSyntax DJDecoderLossless::supportedTransferSyntax() const
{
  return EXS_JPEGProcess14;
}

OFBool DJDecoderLossless::isLosslessProcess() const
{
  return OFTrue;
}

DJDecoder *DJDecoderLossless::createDecoderInstance(
    const DcmRepresentationParameter * /* toRepParam */,
    const DJCodecParameter *cp,
    Uint8 bitsPerSample,
    OFBool isYBR) const
{
  if (bitsPerSample > 12) return new DJDecompressIJG16Bit(*cp, isYBR);
  else if (bitsPerSample > 8) return new DJDecompressIJG12Bit(*cp, isYBR);
  else return new DJDecompressIJG8Bit(*cp, isYBR);
}