dcmpstat.h

转化为DIB位图再显示出来的dicom文件C++代码

/*
 *
 *  Copyright (C) 1998-2005, 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: dcmpstat
 *
 *  Author: Marco Eichelberg
 *
 *  Purpose:
 *    classes: DcmPresentationState
 *
 *  Last Update:      $Author: meichel $
 *  Update Date:      $Date: 2005/12/08 16:03:29 $
 *  CVS/RCS Revision: $Revision: 1.2 $
 *  Status:           $State: Exp $
 *
 *  CVS/RCS Log at end of file
 *
 */

#ifndef DCMPSTAT_H__
#define DCMPSTAT_H__

#include "dcmtk/config/osconfig.h"    /* make sure OS specific configuration is included first */
#include "dcmtk/dcmdata/dctk.h"

#include "dcmtk/ofstd/ofstring.h"    /* for class OFString */
#include "dcmtk/dcmpstat/dvpstyp.h"     /* for enum types */
#include "dcmtk/dcmpstat/dvpsovl.h"     /* for DVPSOverlay_PList */
#include "dcmtk/dcmpstat/dvpsgll.h"     /* for DVPSGraphicLayer_PList */
#include "dcmtk/dcmpstat/dvpsrsl.h"     /* for DVPSReferencedSeries_PList */
#include "dcmtk/dcmpstat/dvpsall.h"     /* for DVPSOverlayCurveActivationLayer_PList */
#include "dcmtk/dcmpstat/dvpsgal.h"     /* for DVPSGraphicObject_PList */
#include "dcmtk/dcmpstat/dvpscul.h"     /* for DVPSCurve_PList */
#include "dcmtk/dcmpstat/dvpsvll.h"     /* for DVPSVOILUT_PList */
#include "dcmtk/dcmpstat/dvpsvwl.h"     /* for DVPSVOIWindow_PList */
#include "dcmtk/dcmpstat/dvpsdal.h"     /* for DVPSDisplayedArea_PList */
#include "dcmtk/dcmpstat/dvpssvl.h"     /* for DVPSSoftcopyVOI_PList */
#include "dcmtk/dcmpstat/dvpspl.h"      /* for DVPSPresentationLUT */

class DVPSTextObject;
class DVPSGraphicObject;
class DVPSCurve;
class DVPSDisplayedArea;
class DVPSSoftcopyVOI;

/** a Grayscale Softcopy Presentation State.
 *  This class manages the data structures comprising a Presentation State object.
 *  Presentation states can be created, read, written, and modified.
 */

class DcmPresentationState
{
public:
  /** default constructor
   */
  DcmPresentationState();

  /// destructor
  virtual ~DcmPresentationState();

  /** reads a presentation state from a DICOM dataset.
   *  The DICOM elements of the presentation state are copied
   *  from the dataset to this object.
   *  The completeness and correctness of the
   *  presentation state (presence of all required elements,
   *  value multiplicity) is checked.
   *  If this method returns an error code, the object is in undefined state afterwards.
   *  @param dset the dataset from which the presentation state is to be read
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition read(DcmItem &dset);

  /** writes the presentation state managed by this object to a DICOM dataset.
   *  Copies of the DICOM elements managed by this object are inserted into
   *  the DICOM dataset.
   *  @param dset the dataset to which the presentation state is written
   *  @param replaceSOPInstanceUID flag indicating whether the
   *    SOP Instance UID should be replaced by a new UID.
   *    If true, a new UID is always generated. If false, a new
   *    UID is generated only if no UID has been assigned before.
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition write(DcmItem &dset, OFBool replaceSOPInstanceUID);

  /** generates a new SOP Instance UID for the Presentation State.
   *  @return new SOP Instance UID if successfully set, NULL otherwise.
   */
  const char *createInstanceUID();

  /** returns the current SOP Instance UID for the Presentation State.
   *  @return SOP Instance UID if present, NULL otherwise.
   */
  const char *getInstanceUID();

  /** returns the (currently hard-coded) SOP Class UID of the Presentation State.
   *  @return SOP Class UID of the presentation state
   */
  const char *getSOPClassUID();

  /** returns the patient ID of the presentation state
   */
  const char *getPatientID();

  /** returns the Study Instance UID of the presentation state.
   *  @return Study Instance UID if successful, NULL otherwise.
   */
  const char *getStudyUID();

  /** adds a reference to an image to this presentation state.
   *  This method checks if the given SOP class and Study UID match
   *  for this presentation state and returns an error code otherwise.
   *  @param studyUID the Study Instance UID of the image reference to be added.
   *  @param seriesUID the Series Instance UID of the image reference to be added.
   *  @param sopclassUID the SOP class UID of the image reference to be added.
   *  @param instanceUID the SOP instance UID of the image reference to be added.
   *  @param frames a list of frame numbers in DICOM IS format
   *    (integer numbers separated by '\' characters). Default: frame numbers absent.
   *    The frame numbers are required if the referenced image is a multiframe image.
   *  @param aetitle the series retrieveAETitle. Must be a valid DICOM 'AE' value. Default: value absent.
   *  @param filesetID the series storageMediaFileSetID. Must be a valid DICOM 'SH' value. Default: value absent.
   *  @param filesetUID the series storageMediaFileSetUID. Must be a valid DICOM UID. Default: value absent.
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition addImageReference(
    const char *studyUID,
    const char *seriesUID,
    const char *sopclassUID,
    const char *instanceUID,
    const char *frames=NULL,
    const char *aetitle=NULL,
    const char *filesetID=NULL,
    const char *filesetUID=NULL);

  /** adds a reference to an image to this presentation state.
   *  This method checks if the given SOP class and Study UID match
   *  for this presentation state and returns an error code otherwise.
   *  @param dset the DICOM dataset containing the image IOD
   *  @param aetitle the series retrieveAETitle. Must be a valid DICOM 'AE' value. Default: value absent.
   *  @param filesetID the series storageMediaFileSetID. Must be a valid DICOM 'SH' value. Default: value absent.
   *  @param filesetUID the series storageMediaFileSetUID. Must be a valid DICOM UID. Default: value absent.
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition addImageReference(
    DcmItem &dset,
    const char *aetitle=NULL,
    const char *filesetID=NULL,
    const char *filesetUID=NULL);

  /** removes a reference to an image from this presentation state.
   *  @param studyUID the Study Instance UID of the image reference to be removed.
   *  @param seriesUID the Series Instance UID of the image reference to be removed.
   *  @param instanceUID the SOP instance UID of the image reference to be removed.
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition removeImageReference(
    const char *studyUID,
    const char *seriesUID,
    const char *instanceUID);

  /** removes a reference to an image from this presentation state.
   *  @param dset the DICOM dataset containing the image IOD
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition removeImageReference(DcmItem &dset);

  /** gets the number of image references in all series managed by this list.
   *  @return number of image references
   */
  size_t numberOfImageReferences();

  /** gets an image reference with the given index.
   *  @param idx index, must be < numberOfImageReferences().
   *  @param studyUID the Study Instance UID is returned in this string
   *  @param seriesUID the Series Instance UID is returned in this string
   *  @param sopclassUID the SOP Class UID is returned in this string
   *  @param instanceUID the SOP Instance UID is returned in this string
   *  @param frames the list of frames is returned in this string
   *  @param aetitle the series retrieveAETitle is returned in this string
   *  @param filesetID the series storageMediaFileSetID is returned in this string
   *  @param filesetUID the series storageMediaFileSetUID is returned in this string
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition getImageReference(
    size_t idx,
    OFString& studyUID,
    OFString& seriesUID,
    OFString& sopclassUID,
    OFString& instanceUID,
    OFString& frames,
    OFString& aetitle,
    OFString& filesetID,
    OFString& filesetUID);


  /** resets the object to initial state.
   *  After this call, the object is in the same state as after
   *  creation with the default constructor.
   */
  void clear();

  /** creates a default presentation state for a DICOM image.
   *  A number of flags specify how curves, overlays, VOI transformations,
   *  a display shutter and a presentation LUT shape
   *  should be treated when found in the image IOD.
   *  If this method returns an error code, the object is in undefined state afterwards.
   *  @param dset the DICOM dataset containing the image IOD
   *  @param overlayActivation flag defining how overlays should be handled
   *    (copied, activated or ignored). Default: Copy overlays.
   *  @param voiActivation flag defining how VOI LUTs or VOI window width/center should
   *    be handled. Default: Use VOI and prefer VOI LUT from VOI window.
   *  @param curveActivation flag defining whether curves in the image should
   *    be activated. Default: Activate curves.
   *  @param shutterActivation flag defining whether a shutter (not bitmap shutter)
   *    should be copied to the presentation state when found in the image.
   *    Default: Copy shutter.
   *  @param presentationActivation flag defining whether a presentation LUT shape
   *    should be copied to the presentation state when found in the image.
   *    Default: Copy presentation LUT shape.
   *  @param layering flag defining how graphic layers should be created for
   *    activated overlays and curves. Default: Create one layer for all overlays
   *    and another layer for all curves.
   *  @param aetitle the series retrieveAETitle. Must be a valid DICOM 'AE' value. Default: value absent.
   *  @param filesetID the series storageMediaFileSetID. Must be a valid DICOM 'SH' value. Default: value absent.
   *  @param filesetUID the series storageMediaFileSetUID. Must be a valid DICOM UID. Default: value absent.
   *  @return EC_Normal upon success, an error code otherwise.
   */
  OFCondition createFromImage(DcmItem &dset,
    DVPSoverlayActivation overlayActivation      = DVPSO_copyOverlays,
    DVPSVOIActivation     voiActivation          = DVPSV_preferVOILUT,
    OFBool                curveActivation        = OFTrue,
    OFBool                shutterActivation      = OFTrue,
    OFBool                presentationActivation = OFTrue,
    DVPSGraphicLayering   layering               = DVPSG_twoLayers,
    const char *          aetitle                = NULL,
    const char *          filesetID              = NULL,
    const char *          filesetUID             = NULL);


  /* Presentation LUT Interface */

  /** gets the current Presentation LUT type.
   *  @return the current presentation LUT type
   */
  DVPSPresentationLUTType getPresentationLUT() { return presentationLUT.getType(); }

  /** checks if a real Presentation LUT (not shape)
   *  is available in the presentation state.
   *  @return OFTrue if the presentation state contains
   *    a presentation LUT, no matter if it is activated or not.
   *    Returns OFFalse otherwise.
   */
  OFBool havePresentationLookupTable() { return presentationLUT.haveTable(); }

  /** gets a description of the current presentation LUT.
   *  For well-known presentation LUT shapes, a standard text
   *  is returned. For presentation LUTs, the LUT explanation
   *  is returned if it exists and a standard text otherwise.
   *  This method never returns NULL.
   *  @return a pointer to a string describing the current presentation LUT.
   */
  const char *getCurrentPresentationLUTExplanation() { return presentationLUT.getCurrentExplanation(); }

  /** returns the LUT explanation of the presentation LUT
   *  if it exists and is non-empty.
   *  Otherwise returns NULL.
   *  @return a string pointer
   */
  const char *getPresentationLUTExplanation() { return presentationLUT.getLUTExplanation(); }

  /** gets the current Presentation LUT object.
   *  @return the current presentation LUT object
   */
  DVPSPresentationLUT *getPresentationLUTData() { return &presentationLUT; }

  /* Rotate/Flip Interface */

  /** gets the current rotation status of the presentation state.
   *  @return the current rotation status
   */
  DVPSRotationType getRotation();

  /** gets the current horizontal flip status of the presentation state.
   *  @return OFTrue if flip is on, OFFalse if flip is off.
   */
  OFBool getFlip();

  /** sets rotation status of the presentation state.
   *  @param rotation the rotation to be set
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition setRotation(DVPSRotationType rotation);

  /** sets horizontal flip status of the presentation state.
   *  @param isFlipped the flip status, OFTrue for on, OFFalse for off.
   *  @return EC_Normal if successful, an error code otherwise.
   */
  OFCondition setFlip(OFBool isFlipped);


  /* VOI Transform Interface */

  /* Displayed Area Interface */


  /* shutter Interface */

  /** checks if a display shutter of given type is active.
   *  @param type the shutter type
   *  @return OFTrue if this type of shutter is currently active.
   */
  OFBool haveShutter(DVPSShutterType type);

  /* rectangular shutter Interface */

  /** gets rectangular shutter left vertical edge.
   *  May only be called if a rectangular shutter is active.
   *  @return the rect shutter LV edge.
   */
  Sint32 getRectShutterLV();

  /** gets rectangular shutter right vertical edge.
   *  May only be called if a rectangular shutter is active.
   *  @return the rect shutter RV edge.
   */
  Sint32 getRectShutterRV();