dcmjpeg/include/dcmtk/dcmjpeg/djutils.h

/*
 *
 *  Copyright (C) 1997-2010, 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:  dcmjpeg
 *
 *  Author:  Norbert Olges, Marco Eichelberg
 *
 *  Purpose: enumerations, error constants and helper functions for dcmjpeg
 *
 *  Last Update:      $Author: joergr $
 *  Update Date:      $Date: 2010-10-14 13:17:17 $
 *  CVS/RCS Revision: $Revision: 1.6 $
 *  Status:           $State: Exp $
 *
 *  CVS/RCS Log at end of file
 *
 */

#ifndef DJUTILS_H
#define DJUTILS_H

#include "dcmtk/config/osconfig.h"
#include "dcmtk/ofstd/ofcond.h"      /* for class OFCondition */
#include "dcmtk/dcmimgle/diutils.h"  /* for EP_Interpretation */
#include "dcmtk/oflog/oflog.h"


// global definitions for logging mechanism provided by the oflog module

OFLogger DCM_dcmjpegGetLogger();

#define DCMJPEG_TRACE(msg) OFLOG_TRACE(DCM_dcmjpegGetLogger(), msg)
#define DCMJPEG_DEBUG(msg) OFLOG_DEBUG(DCM_dcmjpegGetLogger(), msg)
#define DCMJPEG_INFO(msg)  OFLOG_INFO(DCM_dcmjpegGetLogger(), msg)
#define DCMJPEG_WARN(msg)  OFLOG_WARN(DCM_dcmjpegGetLogger(), msg)
#define DCMJPEG_ERROR(msg) OFLOG_ERROR(DCM_dcmjpegGetLogger(), msg)
#define DCMJPEG_FATAL(msg) OFLOG_FATAL(DCM_dcmjpegGetLogger(), msg)


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,

  EDC_guessLossyOnly,

  EDC_guess
};


// 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;
extern const OFCondition EJ_UnsupportedColorConversion;

// 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 1.6  2010-10-14 13:17:17  joergr
 * Updated copyright header. Added reference to COPYRIGHT file.
 *
 * Revision 1.5  2010-03-24 14:58:48  joergr
 * Added new options for the color space conversion during decompression based
 * on the color model that is "guessed" by the underlying JPEG library (IJG).
 *
 * Revision 1.4  2009-10-07 12:44:33  uli
 * Switched to logging mechanism provided by the "new" oflog module.
 *
 * Revision 1.3  2005-12-08 16:59:38  meichel
 * Changed include path schema for all DCMTK header files
 *
 * Revision 1.2  2005/11/30 14:13:13  onken
 * Added OFCondition constant for "unsupported color space conversions"
 *
 * Revision 1.1  2001/11/13 15:56:30  meichel
 * Initial release of module dcmjpeg
 *
 *
 */

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