dcmimage/include/dcmtk/dcmimage/diqthash.h

/*
 *
 *  Copyright (C) 2002-2010, 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:  dcmimage
 *
 *  Author:  Marco Eichelberg
 *
 *  Purpose: class DcmQuantColorHashTable
 *
 *  Last Update:      $Author: joergr $
 *  Update Date:      $Date: 2010-10-14 13:16:29 $
 *  CVS/RCS Revision: $Revision: 1.4 $
 *  Status:           $State: Exp $
 *
 *  CVS/RCS Log at end of file
 *
 */


#ifndef DIQTHASH_H
#define DIQTHASH_H


#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmimage/diqtpix.h"   /* for DcmQuantPixel */
#include "dcmtk/dcmimage/diqthitl.h"  /* for DcmQuantHistogramItemList */


class DicomImage;


class DcmQuantColorHashTable
{
public: 
  DcmQuantColorHashTable(); 

  ~DcmQuantColorHashTable(); 

  inline void add(const DcmQuantPixel& colorP, int value)
  {
    table[colorP.hash()]->push_front(colorP, value);
  }

  inline int lookup(const DcmQuantPixel& colorP) const
  {
    return table[colorP.hash()]->lookup(colorP);  
  }

  unsigned long addToHashTable(
    DicomImage& image, 
    unsigned long newmaxval,
    unsigned long maxcolors);

  unsigned long countEntries() const;

  unsigned long createHistogram(DcmQuantHistogramItemPointer *& array);

private:

  DcmQuantColorHashTable(const DcmQuantColorHashTable& src);

  DcmQuantColorHashTable& operator=(const DcmQuantColorHashTable& src);

  DcmQuantHistogramItemListPointer *table;
};


#endif


/*
 * CVS/RCS Log:
 * $Log: diqthash.h,v $
 * Revision 1.4  2010-10-14 13:16:29  joergr
 * Updated copyright header. Added reference to COPYRIGHT file.
 *
 * Revision 1.3  2005/12/08 16:01:47  meichel
 * Changed include path schema for all DCMTK header files
 *
 * Revision 1.2  2003/12/23 12:17:26  joergr
 * Updated copyright header.
 *
 * Revision 1.1  2002/01/25 13:32:05  meichel
 * Initial release of new color quantization classes and
 *   the dcmquant tool in module dcmimage.
 *
 *
 */

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