dcmimage/include/dcmtk/dcmimage/diqthitl.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 DcmQuantHistogramItemList
 *
 *  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 DIQTHITL_H
#define DIQTHITL_H


#include "dcmtk/config/osconfig.h"
#include "dcmtk/ofstd/oflist.h"    /* for OFList */
#include "dcmtk/dcmimage/diqthitm.h"  /* for DcmQuantHistogramItem */


class DcmQuantHistogramItemList
{
public:

  DcmQuantHistogramItemList();

  ~DcmQuantHistogramItemList();

  void moveto(DcmQuantHistogramItemPointer *array, unsigned long& counter, unsigned long numcolors);

  inline int lookup(const DcmQuantPixel& colorP)
  {
    first = list_.begin();
    while (first != last)
    {
      if ((*first)->equals(colorP)) return (*first)->getValue();
      ++first;
    }
    return -1;
  }

  inline unsigned long add(const DcmQuantPixel& colorP)
  {
    first = list_.begin();
    while (first != last)
    {
      if ((*first)->equals(colorP))
      {
        (*first)->incValue();
        return 0;
      }
      ++first;
    }

    // not found in list, create new entry
    list_.push_front(new DcmQuantHistogramItem(colorP, 1));
    return 1;
  }

  inline void push_front(const DcmQuantPixel& colorP, int value)
  {
    list_.push_front(new DcmQuantHistogramItem(colorP, value));
  }

  inline size_t size() const
  {
    return list_.size();
  }

private:

  OFList<DcmQuantHistogramItem *> list_;

  OFListIterator(DcmQuantHistogramItem *) first;

  OFListIterator(DcmQuantHistogramItem *) last;

};


typedef DcmQuantHistogramItemList *DcmQuantHistogramItemListPointer;


#endif


/*
 * CVS/RCS Log:
 * $Log: diqthitl.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 16:01:49  meichel
 * Changed include path schema for all DCMTK header files
 *
 * Revision 1.2  2003/12/17 16:57:55  joergr
 * Renamed parameters/variables "list" to avoid name clash with STL class.
 *
 * 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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