dcmjpeg/include/djutils.h

/*
 *
 *  Copyright (C) 1997-2001, 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:  dcmjpeg
 *
 *  Author:  Norbert Olges, Marco Eichelberg
 *
 *  Purpose: enumerations, error constants and helper functions for dcmjpeg
 *
 *  Last Update:      $Author: meichel $
 *  Update Date:      $Date: 2001/11/13 15:56:30 $
 *  Source File:      $Source: /share/dicom/cvs-depot/dcmtk/dcmjpeg/include/djutils.h,v $
 *  CVS/RCS Revision: $Revision: 1.1 $
 *  Status:           $State: Exp $
 *
 *  CVS/RCS Log at end of file
 *
 */

#ifndef DJUTILS_H
#define DJUTILS_H

#include "osconfig.h"
#include "ofcond.h"   /* for class OFCondition */
#include "diutils.h"  /* for EP_Interpretation */

class DcmItem;

enum EJ_Mode
{
  EJM_baseline,

  EJM_sequential,

  EJM_spectralSelection,

  EJM_progressive,

  EJM_lossless
};

enum E_SubSampling
{
  ESS_444, 
  ESS_422,
  ESS_411
};

enum E_UIDCreation
{
  EUC_default,

  EUC_always,

  EUC_never
};

enum E_PlanarConfiguration
{
  EPC_default,
   
  EPC_colorByPixel,
  
  EPC_colorByPlane
};

enum E_CompressionColorSpaceConversion
{
  ECC_lossyYCbCr,
  
  ECC_lossyRGB,
  
  ECC_monochrome
};

enum E_DecompressionColorSpaceConversion
{
  EDC_photometricInterpretation,

  EDC_lossyOnly,
  
  EDC_always,

  EDC_never  
};


// CONDITION CONSTANTS

extern const OFCondition EJ_Suspension;
extern const OFCondition EJ_IJG8_FrameBufferTooSmall;
extern const OFCondition EJ_IJG12_FrameBufferTooSmall;
extern const OFCondition EJ_IJG16_FrameBufferTooSmall;
extern const OFCondition EJ_UnsupportedPhotometricInterpretation;

// reserved condition codes for IJG error messages
const unsigned short EJCode_IJG8_Compression    = 0x0100;
const unsigned short EJCode_IJG8_Decompression  = 0x0101;
const unsigned short EJCode_IJG12_Compression   = 0x0102;
const unsigned short EJCode_IJG12_Decompression = 0x0103;
const unsigned short EJCode_IJG16_Compression   = 0x0104;
const unsigned short EJCode_IJG16_Decompression = 0x0105;

class DcmJpegHelper
{
public:

  static EP_Interpretation getPhotometricInterpretation(DcmItem *item);
};

#endif

/*
 * CVS/RCS Log
 * $Log: djutils.h,v $
 * Revision 1.1  2001/11/13 15:56:30  meichel
 * Initial release of module dcmjpeg
 *
 *
 */

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