dcelem.h

转化为DIB位图再显示出来的dicom文件C++代码

    virtual OFCondition putTagVal(const DcmTagKey &attrTag, const unsigned long pos = 0);

    // num Values
    virtual OFCondition putUint8Array(const Uint8 *vals, const unsigned long num);
    virtual OFCondition putSint16Array(const Sint16 *vals, const unsigned long num);
    virtual OFCondition putUint16Array(const Uint16 *vals, const unsigned long num);
    virtual OFCondition putSint32Array(const Sint32 *vals, const unsigned long num);
    virtual OFCondition putUint32Array(const Uint32 *vals, const unsigned long num);
    virtual OFCondition putFloat32Array(const Float32 *vals, const unsigned long num);
    virtual OFCondition putFloat64Array(const Float64 *vals, const unsigned long num);


  protected:

    E_ByteOrder fByteOrder;

    /** This function returns this element's value. The returned value
     *  corresponds to the byte ordering (little or big endian) that
     *  was passed.
     *  @param newByteOrder The byte ordering that shall be accounted
     *                      for (little or big endian).
     */
    void *getValue(const E_ByteOrder newByteOrder = gLocalByteOrder);


    OFCondition changeValue(const void *value,      // new Value
                            const Uint32 position,  // position in value array
                            const Uint32 num);      // number of new value bytes

    OFCondition putValue(const void *value,     // new value
                         const Uint32 length);  // number of new value bytes

    OFCondition createEmptyValue(const Uint32 length); // number of new value bytes




    /** This function reads the data value of an attribute and stores the
     *  information which was read in this. The information is either read
     *  from the inStream or (if inStream is NULL) from a different stream
     *  which was created earlier and which is accessible through the fLoadValue
     *  member variable. Note that if not all information for an attribute
     *  could be read from the stream, the function returns EC_StreamNotifyClient.
     *  @param inStream The stream which contains the information.
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition loadValue(DcmInputStream *inStream = NULL);

    virtual void postLoadValue();

    /** This function creates a byte array of Length bytes and returns this
     *  array. In case Length is odd, an array of Length+1 bytes will be
     *  created and Length will be increased by 1.
     */
    virtual Uint8 *newValueField();

    void swapValueField(size_t valueWidth);

    /** write element start tag in XML format
     *  @param out output stream to which the XML start tag is written
     *  @param flags flag used to customize the output (not yet used)
     *  @param attrText extra attribute text to be added to the element tag
     */
    virtual void writeXMLStartTag(ostream &out,
                                  const size_t flags,
                                  const char *attrText = NULL);

    /** write element end tag in XML format
     *  @param out output stream to which the XML end tag is written
     *  @param flags flag used to customize the output (not yet used)
     */
    virtual void writeXMLEndTag(ostream &out,
                                const size_t flags);


  private:

    /// required information to load value later
    DcmInputStreamFactory *fLoadValue;

    /// value of the element
    Uint8 *fValue;
};


#endif // DCELEM_H


/*
** CVS/RCS Log:
** $Log: dcelem.h,v $
** Revision 1.29  2005/12/08 16:28:11  meichel
** Changed include path schema for all DCMTK header files
**
** Revision 1.28  2004/07/01 12:28:25  meichel
** Introduced virtual clone method for DcmObject and derived classes.
**
** Revision 1.27  2003/07/04 13:25:35  meichel
** Replaced forward declarations for OFString with explicit includes,
**   needed when compiling with HAVE_STD_STRING
**
** Revision 1.26  2002/12/09 09:31:14  wilkens
** Modified/Added doc++ documentation.
**
** Revision 1.25  2002/12/06 12:49:09  joergr
** Enhanced "print()" function by re-working the implementation and replacing
** the boolean "showFullData" parameter by a more general integer flag.
** Added doc++ documentation.
** Made source code formatting more consistent with other modules/files.
**
** Revision 1.24  2002/08/27 16:55:31  meichel
** Initial release of new DICOM I/O stream classes that add support for stream
**   compression (deflated little endian explicit VR transfer syntax)
**
** Revision 1.23  2002/04/25 10:06:09  joergr
** Added/modified getOFStringArray() implementation.
** Added support for XML output of DICOM objects.
**
** Revision 1.22  2001/09/25 17:19:25  meichel
** Adapted dcmdata to class OFCondition
**
** Revision 1.21  2001/06/01 15:48:39  meichel
** Updated copyright header
**
** Revision 1.20  2001/05/10 12:50:21  meichel
** Added protected createEmptyValue() method in class DcmElement.
**
** Revision 1.19  2000/11/07 16:56:06  meichel
** Initial release of dcmsign module for DICOM Digital Signatures
**
** Revision 1.18  2000/03/08 16:26:14  meichel
** Updated copyright header.
**
** Revision 1.17  2000/02/02 14:31:16  joergr
** Replaced 'delete' statements by 'delete[]' for objects created with 'new[]'.
**
** Revision 1.16  1999/03/31 09:24:37  meichel
** Updated copyright header in module dcmdata
**
** Revision 1.15  1998/11/12 16:47:38  meichel
** Implemented operator= for all classes derived from DcmObject.
**
** Revision 1.14  1998/07/15 15:48:47  joergr
** Removed several compiler warnings reported by gcc 2.8.1 with
** additional options, e.g. missing copy constructors and assignment
** operators, initialization of member variables in the body of a
** constructor instead of the member initialization list, hiding of
** methods by use of identical names, uninitialized member variables,
** missing const declaration of char pointers. Replaced tabs by spaces.
**
** Revision 1.13  1997/09/11 15:13:10  hewett
** Modified getOFString method arguments by removing a default value
** for the pos argument.  By requiring the pos argument to be provided
** ensures that callers realise getOFString only gets one component of
** a multi-valued string.
**
** Revision 1.12  1997/08/29 08:32:38  andreas
** - Added methods getOFString and getOFStringArray for all
**   string VRs. These methods are able to normalise the value, i. e.
**   to remove leading and trailing spaces. This will be done only if
**   it is described in the standard that these spaces are not relevant.
**   These methods do not test the strings for conformance, this means
**   especially that they do not delete spaces where they are not allowed!
**   getOFStringArray returns the string with all its parts separated by \
**   and getOFString returns only one value of the string.
**   CAUTION: Currently getString returns a string with trailing
**   spaces removed (if dcmEnableAutomaticInputDataCorrection == OFTrue) and
**   truncates the original string (since it is not copied!). If you rely on this
**   behaviour please change your application now.
**   Future changes will ensure that getString returns the original
**   string from the DICOM object (NULL terminated) inclusive padding.
**   Currently, if you call getOF... before calling getString without
**   normalisation, you can get the original string read from the DICOM object.
**
** Revision 1.11  1997/07/31 06:57:59  andreas
** new protected method swapValueField for DcmElement
**
** Revision 1.10  1997/07/21 07:57:53  andreas
** - New method DcmElement::detachValueField to give control over the
**   value field to the calling part (see dcelem.h)
** - Replace all boolean types (BOOLEAN, CTNBOOLEAN, DICOM_BOOL, BOOL)
**   with one unique boolean type OFBool.
**
** Revision 1.9  1997/05/27 13:48:26  andreas
** - Add method canWriteXfer to class DcmObject and all derived classes.
**   This method checks whether it is possible to convert the original
**   transfer syntax to an new transfer syntax. The check is used in the
**   dcmconv utility to prohibit the change of a compressed transfer
**   syntax to a uncompressed.
**
** Revision 1.8  1997/05/16 08:23:46  andreas
** - Revised handling of GroupLength elements and support of
**   DataSetTrailingPadding elements. The enumeratio E_GrpLenEncoding
**   got additional enumeration values (for a description see dctypes.h).
**   addGroupLength and removeGroupLength methods are replaced by
**   computeGroupLengthAndPadding. To support Padding, the parameters of
**   element and sequence write functions changed.
** - Added a new method calcElementLength to calculate the length of an
**   element, item or sequence. For elements it returns the length of
**   tag, length field, vr field, and value length, for item and
**   sequences it returns the length of the whole item. sequence including
**   the Delimitation tag (if appropriate).  It can never return
**   UndefinedLength.
**
** Revision 1.7  1997/04/18 08:13:28  andreas
** - The put/get-methods for all VRs did not conform to the C++-Standard
**   draft. Some Compilers (e.g. SUN-C++ Compiler, Metroworks
**   CodeWarrier, etc.) create many warnings concerning the hiding of
**   overloaded get methods in all derived classes of DcmElement.
**   So the interface of all value representation classes in the
**   library are changed rapidly, e.g.
**   OFCondition get(Uint16 & value, const unsigned long pos);
**   becomes
**   OFCondition getUint16(Uint16 & value, const unsigned long pos);
**   All (retired) "returntype get(...)" methods are deleted.
**   For more information see dcmdata/include/dcelem.h
**
** Revision 1.6  1996/07/17 12:38:58  andreas
** new nextObject to iterate a DicomDataset, DicomFileFormat, Item, ...
**
** Revision 1.5  1996/04/16 16:01:36  andreas
** - put methods for AttributeTag with DcmTagKey Parameter
** - better support for NULL values
**
** Revision 1.4  1996/03/12 15:31:56  hewett
** The base virtual get & put functions now support char*.
**
** Revision 1.3  1996/01/05 13:22:55  andreas
** - changed to support new streaming facilities
** - more cleanups
** - merged read / write methods for block and file transfer
**
*/