digsdfn.h

/*
 *
 *  Copyright (C) 1996-2005, OFFIS
 *
 *  This software and supporting documentation were developed by
 *
 *    Kuratorium OFFIS e.V.
 *    Healthcare Information and Communication Systems
 *    Escherweg 2
 *    D-26121 Oldenburg, Germany
 *
 *  THIS SOFTWARE IS MADE AVAILABLE,  AS IS,  AND OFFIS MAKES NO  WARRANTY
 *  REGARDING  THE  SOFTWARE,  ITS  PERFORMANCE,  ITS  MERCHANTABILITY  OR
 *  FITNESS FOR ANY PARTICULAR USE, FREEDOM FROM ANY COMPUTER DISEASES  OR
 *  ITS CONFORMITY TO ANY SPECIFICATION. THE ENTIRE RISK AS TO QUALITY AND
 *  PERFORMANCE OF THE SOFTWARE IS WITH THE USER.
 *
 *  Module:  dcmimgle
 *
 *  Author:  Joerg Riesmeier
 *
 *  Purpose: DicomGSDFunction (Header)
 *
 *  Last Update:      $Author: meichel $
 *  Update Date:      $Date: 2005/12/08 16:47:40 $
 *  CVS/RCS Revision: $Revision: 1.15 $
 *  Status:           $State: Exp $
 *
 *  CVS/RCS Log at end of file
 *
 */


#ifndef DIGSDFN_H
#define DIGSDFN_H

#include "dcmtk/config/osconfig.h"

#include "dcmtk/dcmimgle/didispfn.h"
#include "dcmtk/dcmimgle/digsdlut.h"


/*---------------------*
 *  class declaration  *
 *---------------------*/

class DiGSDFunction
  : public DiDisplayFunction
{

 public:

    DiGSDFunction(const char *filename,
                  const E_DeviceType deviceType = EDT_Monitor,
                  const signed int ord = -1);

    DiGSDFunction(const double *val_tab,
                  const unsigned long count,
                  const Uint16 max = 255,
                  const E_DeviceType deviceType = EDT_Monitor,
                  const signed int ord = 0);

    DiGSDFunction(const Uint16 *ddl_tab,
                  const double *val_tab,
                  const unsigned long count,
                  const Uint16 max = 255,
                  const E_DeviceType deviceType = EDT_Monitor,
                  const signed int ord = 0);

    DiGSDFunction(const double val_min,
                  const double val_max,
                  const unsigned long count = 256,
                  const E_DeviceType deviceType = EDT_Monitor,
                  const signed int ord = 0);

    virtual ~DiGSDFunction();

    int writeCurveData(const char *filename,
                       const OFBool mode = OFTrue);

    int setAmbientLightValue(const double value);

    int setIlluminationValue(const double value);

    int setMinDensityValue(const double value);

    int setMaxDensityValue(const double value);

    static double getJNDIndex(const double lum);


 protected:

    DiDisplayLUT *getDisplayLUT(unsigned long count);

    int calculateGSDF();

    int calculateGSDFSpline();

    int calculateJNDBoundaries();


 private:

    double JNDMin;
    double JNDMax;

    static const unsigned int GSDFCount;
    double *GSDFValue;
    double *GSDFSpline;

 // --- declarations to avoid compiler warnings

    DiGSDFunction(const DiGSDFunction &);
    DiGSDFunction &operator=(const DiGSDFunction &);
};


#endif


/*
 *
 * CVS/RCS Log:
 * $Log: digsdfn.h,v $
 * Revision 1.15  2005/12/08 16:47:40  meichel
 * Changed include path schema for all DCMTK header files
 *
 * Revision 1.14  2003/12/08 18:21:00  joergr
 * Removed leading underscore characters from preprocessor symbols (reserved
 * symbols). Updated CVS header.
 *
 * Revision 1.13  2003/02/12 11:35:16  joergr
 * Added Dmin/max support to CIELAB calibration routines.
 *
 * Revision 1.12  2003/02/11 10:01:14  joergr
 * Added support for Dmin/max to calibration routines (required for printers).
 *
 * Revision 1.11  2002/07/19 08:24:21  joergr
 * Enhanced/corrected comments.
 *
 * Revision 1.10  2002/07/18 12:30:01  joergr
 * Added support for hardcopy and softcopy input devices (camera and scanner).
 * Added polygonal curve fitting algorithm as an alternate interpolation
 * method.
 *
 * Revision 1.9  2002/07/02 16:23:42  joergr
 * Added support for hardcopy devices to the calibrated output routines.
 *
 * Revision 1.8  2001/06/01 15:49:41  meichel
 * Updated copyright header
 *
 * Revision 1.7  2000/07/17 14:37:12  joergr
 * Moved method getJNDIndex to public part of the interface.
 *
 * Revision 1.6  2000/03/08 16:24:15  meichel
 * Updated copyright header.
 *
 * Revision 1.5  2000/03/06 18:19:36  joergr
 * Moved get-method to base class, renamed method and made method virtual to
 * avoid hiding of methods (reported by Sun CC 4.2).
 *
 * Revision 1.4  1999/10/18 15:05:51  joergr
 * Enhanced command line tool dcmdspfn (added new options).
 *
 * Revision 1.3  1999/09/17 12:11:31  joergr
 * Added/changed/completed DOC++ style comments in the header files.
 *
 * Revision 1.2  1999/09/10 12:17:56  joergr
 * Changed parameter type of copy constructor and assignment operator to avoid
 * compiler warnings reported by gcc/ecgs on Solaris (with additional flags).
 *
 * Revision 1.1  1999/09/10 08:50:23  joergr
 * Added support for CIELAB display function. Restructured class hierarchy
 * for display functions.
 *
 *
 */

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