dsrdoctr.h

转化为DIB位图再显示出来的dicom文件C++代码

    /** add specified by-reference relationship to the current content item.
     *  If possible this method creates a new pseudo-node (relationship) and adds it to the
     *  current one.  The method canAddByReferenceRelationship() is called internally to check
     *  parameters first.  The internal cursor is automatically re-set to the current node.
     ** @param  relationshipType  relationship type between current and referenced node
     *  @param  referencedNodeID  node ID of the referenced content item
     ** @return ID of new pseudo-node if successful, 0 otherwise
     */
    size_t addByReferenceRelationship(const E_RelationshipType relationshipType,
                                      const size_t referencedNodeID);

    /** remove current content item from tree.
     *  Please note that not only the specified node but also all of its child nodes are
     *  removed from the tree and then deleted.  The internal cursor is set automatically
     *  to a new valid position.
     ** @return ID of the node which became the current one after deletion, 0 if an error
     *    occured or the tree is now empty.
     */
    size_t removeCurrentContentItem();

    /** get reference to current content item.
     *  This mechanism allows to access all content items without using pointers.
     ** @return reference to current content item (might be invalid)
     */
    DSRContentItem &getCurrentContentItem();

    /** set internal cursor to the named node.
     *  If more than one node exists with the given concept name the first one will
     *  be selected.  Use gotoNextNamedNode() in order to go to the next matching node.
     ** @param  conceptName    concept name of the node to be searched for
     *  @param  startFromRoot  flag indicating whether to start from the root node
     *                         or the current one
     *  @param  searchIntoSub  flag indicating whether to search into sub-trees
     *                         ("deep search") or on the current level only
     ** @return ID of the new current node if successful, 0 otherwise
     */
    size_t gotoNamedNode(const DSRCodedEntryValue &conceptName,
                         const OFBool startFromRoot = OFTrue,
                         const OFBool searchIntoSub = OFTrue);

    /** set internal cursor to the next named node.
     *  Starts from "next" node, i.e. either the first children of the current node
     *  or the first sibling following the current node.
     ** @param  conceptName    concept name of the node to be searched for
     *  @param  searchIntoSub  flag indicating whether to search into sub-trees
     *                         ("deep search") or on the current level only
     ** @return ID of the new current node if successful, 0 otherwise
     */
    size_t gotoNextNamedNode(const DSRCodedEntryValue &conceptName,
                             const OFBool searchIntoSub = OFTrue);

    /** unmark all content items in the document tree.
     *  Use method 'setMark' on node-level to mark and unmark a single content item.
     *  Pointers to the DICOM dataset/item of marked content items are added to the optional
     *  stack when calling the 'write' method.  This mechanism can e.g. be used to digitally
     *  sign particular content items.
     */
    void unmarkAllContentItems();

    /** remove digital signatures from the document tree.
     *  This method clears the MACParametersSequence and the DigitalSignaturesSequence for
     *  all content items which have been filled during reading.
     */
    void removeSignatures();

    /** check if this object contains non-ASCII characters in one of the
     *  strings affected by SpecificCharacterSet in DICOM
     *  @return true if node contains non-ASCII characters, false otherwise
     */
    OFBool containsExtendedCharacters();


  protected:

    /** add new node to the current one.
     *  Please note that no copy of the given node is created.  Therefore, the node
     *  should be created with new() - do not use a reference to a local variable.
     *  If the node could be added successfully the cursor is set to it automatically.
     ** @param  node     pointer to the new node to be added
     *  @param  addMode  flag specifying at which position to add the new node.
     *                   (AM_afterCurrent, AM_beforeCurrent, AM_belowCurrent)
     ** @return ID of the new added node if successful, 0 otherwise
     */
    virtual size_t addNode(DSRDocumentTreeNode *node,
                           const E_AddMode addMode = AM_afterCurrent);

    /** remove current node from tree.
     *  Please note that not only the specified node but also all of his child nodes are
     *  removed from the tree and deleted afterwards.  The cursor is set automatically to
     *  a new valid position.
     ** @return ID of the node which became the current one after deletion, 0 if an error
     *    occured or the tree is now empty.
     */
    virtual size_t removeNode();

    /** check the by-reference relationships (if any) for validity.
     *  This function checks whether all by-reference relationships possibly contained
     *  in the document tree are valid according to the following restrictions: source
     *  and target node are not identical and the target node is not an ancestor of the
     *  source node (requirement from the DICOM standard to prevent loops -> directed
     *  acyclic graph, though this is not 100% true - see "reportlp.dcm" example).
     *  In addition, the position strings (used to encode by-reference relationships
     *  according to the DICOM standard) OR the node IDs (used internally to uniquely
     *  identify nodes) can be updated.  Please note that the flags 'updateString' and
     *  'updateNodeID' are mutually exclusive.
     ** @param  updateString  update the position string using the node ID if OFTrue
     *  @param  updateNodeID  update the node ID using the position string if OFTrue
     ** @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition checkByReferenceRelationships(const OFBool updateString = OFFalse,
                                              const OFBool updateNodeID = OFFalse);


  private:

    /** add new node to the current one.
     *  This method just overwrites the method from the base class DSRTree.  Use the
     *  above addNode() method instead.
     ** @param  node     dummy parameter
     *  @param  addMode  dummy parameter
     ** @return always 0 (invalid)
     */
    virtual size_t addNode(DSRTreeNode *node,
                           const E_AddMode addMode = AM_afterCurrent);

    /// document type of the associated SR document
    E_DocumentType DocumentType;
    /// output stream for error messages, NULL for no messages
    OFConsole     *LogStream;
    /// current content item.  Introduced to avoid the external use of pointers.
    DSRContentItem CurrentContentItem;
    /// check relationship content constraints of the associated IOD
    DSRIODConstraintChecker *ConstraintChecker;


 // --- declaration of default/copy constructor and assignment operator

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


#endif


/*
 *  CVS/RCS Log:
 *  $Log: dsrdoctr.h,v $
 *  Revision 1.16  2005/12/08 16:05:01  meichel
 *  Changed include path schema for all DCMTK header files
 *
 *  Revision 1.15  2005/07/27 16:36:38  joergr
 *  Added methods that allow to go to a named node, i.e. using a given concept
 *  name.
 *
 *  Revision 1.14  2004/11/22 16:39:09  meichel
 *  Added method that checks if the SR document contains non-ASCII characters
 *    in any of the strings affected by SpecificCharacterSet.
 *
 *  Revision 1.13  2003/09/15 14:18:54  joergr
 *  Introduced new class to facilitate checking of SR IOD relationship content
 *  constraints. Replaced old implementation distributed over numerous classes.
 *
 *  Revision 1.12  2003/08/07 12:35:27  joergr
 *  Added readXML functionality.
 *  Updated documentation to get rid of doxygen warnings.
 *
 *  Revision 1.11  2002/04/11 13:02:34  joergr
 *  Corrected typo and/or enhanced documentation.
 *
 *  Revision 1.10  2001/11/09 16:10:49  joergr
 *  Added preliminary support for Mammography CAD SR.
 *
 *  Revision 1.9  2001/09/26 13:04:07  meichel
 *  Adapted dcmsr to class OFCondition
 *
 *  Revision 1.8  2001/04/03 08:24:01  joergr
 *  Added new command line option: ignore relationship content constraints
 *  specified for each SR document class.
 *
 *  Revision 1.7  2001/01/25 11:48:43  joergr
 *  Corrected typos / enhanced comments.
 *
 *  Revision 1.6  2001/01/18 15:53:34  joergr
 *  Added support for digital signatures.
 *
 *  Revision 1.5  2000/11/07 18:14:29  joergr
 *  Enhanced support for by-reference relationships.
 *
 *  Revision 1.4  2000/11/01 16:23:20  joergr
 *  Added support for conversion to XML.
 *
 *  Revision 1.3  2000/10/18 17:02:57  joergr
 *  Added doc++ comments.
 *
 *  Revision 1.2  2000/10/16 16:31:45  joergr
 *  Added doc++ comments.
 *
 *  Revision 1.1  2000/10/13 07:49:26  joergr
 *  Added new module 'dcmsr' providing access to DICOM structured reporting
 *  documents (supplement 23).  Doc++ documentation not yet completed.
 *
 *
 */