110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
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/*
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*
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* Copyright (C) 1994-2011, OFFIS e.V.
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* All rights reserved. See COPYRIGHT file for details.
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*
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* This software and supporting documentation were developed by
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*
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* OFFIS e.V.
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* R&D Division Health
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* Escherweg 2
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* D-26121 Oldenburg, Germany
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*
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*
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* Module: dcmdata
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*
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* Author: Andreas Barth
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*
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* Purpose: Interface of class DcmOverlayData
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*
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*/
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#ifndef DCOVLAY_H
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#define DCOVLAY_H
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#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
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#include "dcmtk/dcmdata/dcvrpobw.h"
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/** a class used to represent overlay data (60xx,3000)
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*/
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class DCMTK_DCMDATA_EXPORT DcmOverlayData : public DcmPolymorphOBOW
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{
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public:
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/** constructor
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* @param tag attribute tag
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* @param len length of the attribute value
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*/
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DcmOverlayData(const DcmTag &tag,
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const Uint32 len = 0)
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: DcmPolymorphOBOW(tag, len)
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{
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}
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/** copy constructor
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* @param oldObj element to be copied
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*/
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DcmOverlayData(const DcmOverlayData &oldObj)
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: DcmPolymorphOBOW(oldObj)
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{
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}
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/** destructor
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*/
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virtual ~DcmOverlayData()
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{
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}
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/** copy assignment operator
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* @param obj element to be copied
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*/
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DcmOverlayData &operator=(const DcmOverlayData &obj)
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{
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DcmPolymorphOBOW::operator=(obj);
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return *this;
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}
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/** clone method
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* @return deep copy of this object
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*/
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virtual DcmObject *clone() const
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{
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return new DcmOverlayData(*this);
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}
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/** Virtual object copying. This method can be used for DcmObject
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* and derived classes to get a deep copy of an object. Internally
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* the assignment operator is called if the given DcmObject parameter
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* is of the same type as "this" object instance. If not, an error
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* is returned. This function permits copying an object by value
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* in a virtual way which therefore is different to just calling the
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* assignment operator of DcmElement which could result in slicing
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* the object.
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* @param rhs - [in] The instance to copy from. Has to be of the same
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* class type as "this" object
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* @return EC_Normal if copying was successful, error otherwise
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*/
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virtual OFCondition copyFrom(const DcmObject &rhs)
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{
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if (this != &rhs)
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{
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if (rhs.ident() != ident()) return EC_IllegalCall;
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*this = OFstatic_cast(const DcmOverlayData &, rhs);
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}
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return EC_Normal;
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}
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/** return identifier for this class. Every class derived from this class
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* returns a unique value of type enum DcmEVR for this call. This is used
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* as a "poor man's RTTI" to correctly identify instances derived from
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* this class even on compilers not supporting RTTI.
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* @return type identifier of this class
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*/
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virtual DcmEVR ident() const
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{
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return EVR_OverlayData;
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}
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};
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#endif
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