gdcmAnonymizer.h

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00001 /*=========================================================================
00002 
00003   Program: GDCM (Grassroots DICOM). A DICOM library
00004   Module:  $URL$
00005 
00006   Copyright (c) 2006-2009 Mathieu Malaterre
00007   All rights reserved.
00008   See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00015 #ifndef __gdcmAnonymizer_h
00016 #define __gdcmAnonymizer_h
00017 
00018 #include "gdcmFile.h"
00019 #include "gdcmSubject.h"
00020 #include "gdcmEvent.h"
00021 #include "gdcmSmartPointer.h"
00022 
00023 namespace gdcm
00024 {
00025 class TagPath;
00026 class CryptographicMessageSyntax;
00027 
00063 class GDCM_EXPORT Anonymizer : public Subject
00064 {
00065 public:
00066   Anonymizer():F(new File),CMS(NULL) {}
00067   ~Anonymizer();
00068 
00071   bool Empty( Tag const &t );
00072   //bool Empty( PrivateTag const &t );
00073   //bool Empty( TagPath const &t );
00074 
00076   bool Remove( Tag const &t );
00077   //bool Remove( PrivateTag const &t );
00078   //bool Remove( TagPath const &t );
00079 
00082   bool Replace( Tag const &t, const char *value );
00083 
00086   bool Replace( Tag const &t, const char *value, VL const & vl );
00087   //bool Replace( PrivateTag const &t, const char *value, VL const & vl );
00088   //bool Replace( TagPath const &t, const char *value, VL const & vl );
00089 
00091   bool RemovePrivateTags();
00092 
00094   bool RemoveGroupLength();
00095 
00097   bool RemoveRetired();
00098 
00099   // TODO:
00100   // bool Remove( PRIVATE_TAGS | GROUP_LENGTH | RETIRED );
00101 
00103   void SetFile(const File& f) { F = f; }
00104   //const File &GetFile() const { return *F; }
00105   File &GetFile() { return *F; }
00106 
00111   bool BasicApplicationLevelConfidentialityProfile(bool deidentify = true);
00112 
00114   void SetCryptographicMessageSyntax( CryptographicMessageSyntax *cms );
00115   const CryptographicMessageSyntax *GetCryptographicMessageSyntax() const;
00116 
00118   static SmartPointer<Anonymizer> New() { return new Anonymizer; }
00119 
00120 protected:
00121   // Internal function used to either empty a tag or set it's value to a dummy value (Type 1 vs Type 2)
00122   bool BALCPProtect(DataSet &ds, Tag const & tag);
00123   bool CanEmptyTag(Tag const &tag);
00124   void RecurseDataSet( DataSet & ds );
00125 
00126 private:
00127   bool BasicApplicationLevelConfidentialityProfile1();
00128   bool BasicApplicationLevelConfidentialityProfile2();
00129 
00130 private:
00131   // I would prefer to have a smart pointer to DataSet but DataSet does not derive from Object...
00132   SmartPointer<File> F;
00133   CryptographicMessageSyntax *CMS;
00134 };
00135 
00142 } // end namespace gdcm
00143 
00144 #endif //__gdcmAnonymizer_h

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