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  Program: GDCM (Grassroots DICOM). A DICOM library
  Module:  $URL$

  Copyright (c) 2006-2010 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.


#include "gdcmTypes.h"

namespace gdcm
 * \brief Pack/Unpack 12 bits pixel into 16bits 
 * \li You can only pack an even number of 16bits, which means a multiple of 4 (expressed in bytes)
 * \li You can only unpack a multiple of 3 bytes
 * This class has no purpose in general purpose DICOM implementation. However
 * to be able to cope with some early ACR-NEMA file generated by a well-known
 * private vendor, one would need to unpack 12bits Stored Pixel Value into a
 * more standard 16bits Stored Pixel Value.
 * \see Rescaler
00034 class GDCM_EXPORT Unpacker12Bits
  /// Pack an array of 16bits where all values are 12bits into a pack form. n
  /// is the length in bytes of array in, out will be a fake 8bits array of size
  /// (n / 2) * 3
  static bool Pack(char *out, const char *in, size_t n);

  /// Unpack an array of 'packed' 12bits data into a more conventional 16bits
  /// array. n is the length in bytes of array in, out will be a 16bits array of
  /// size (n / 3) * 2
  static bool Unpack(char *out, const char *in, size_t n);

} // end namespace gdcm


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