- void LoadElements(void);
- virtual void ParseHeader(bool exception_on_error = false)
- throw(gdcmFormatError);
- gdcmHeader(const char *filename, bool exception_on_error = false)
- throw(gdcmFileError);
- virtual ~gdcmHeader();
-
- size_t GetPixelOffset(void);
- void GetPixels(size_t, void *);
- int GetSwapCode(void) { return sw; }
-
- // TODO Swig int SetPubDict(string filename);
- // When some proprietary shadow groups are disclosed, we can set up
- // an additional specific dictionary to access extra information.
- // TODO Swig int SetShaDict(string filename);
-
- // Get the element values themselves:
- string GetPubElValByName(string TagName);
- string GetPubElValByNumber(guint16 group, guint16 element);
-
- // Getting the element value representation (VR) might be needed by caller
- // to convert the string typed content to caller's native type
- // (think of C/C++ vs Python).
-
- string GetPubElValRepByName(string TagName);
- string GetPubElValRepByNumber(guint16 group, guint16 element);
-
- TagElValueHT & GetPubElVal(void) { return PubElVals.GetTagHt(); };
- void PrintPubElVal(ostream & os = cout);
- void PrintPubDict(ostream & os = cout);
-
- // Same thing with the shadow :
- // TODO Swig string* GetShaTagNames();
- string GetShaElValByName(string TagName);
- string GetShaElValByNumber(guint16 group, guint16 element);
- string GetShaElValRepByName(string TagName);
- string GetShaElValRepByNumber(guint16 group, guint16 element);
-
- // Wrappers of the above (public is privileged over shadow) to avoid
- // bugging the caller with knowing if ElVal is from the public or shadow
- // dictionary.
- string GetElValByName(string TagName);
- string GetElValByNumber(guint16 group, guint16 element);
- string GetElValRepByName(string TagName);
- string GetElValRepByNumber(guint16 group, guint16 element);
-
- int SetPubElValByName(string content, string TagName);
- int SetPubElValByNumber(string content, guint16 group, guint16 element);
- int SetShaElValByName(string content, string ShadowTagName);
- int SetShaElValByNumber(string content, guint16 group, guint16 element);
-
- ElValSet GetPubElVals() { return(PubElVals); }
+ gdcmHeader(bool exception_on_error = false);
+ gdcmHeader(const char *filename,
+ bool exception_on_error = false,
+ bool enable_sequences = false);
+
+ virtual ~gdcmHeader();
+
+// Standard values and informations contained in the header
+ inline std::string GetFileName(void) {return filename;}
+
+ bool IsReadable(void);
+ bool IsImplicitVRLittleEndianTransferSyntax(void);
+ bool IsExplicitVRLittleEndianTransferSyntax(void);
+ bool IsDeflatedExplicitVRLittleEndianTransferSyntax(void);
+ bool IsExplicitVRBigEndianTransferSyntax(void);
+ bool IsJPEGBaseLineProcess1TransferSyntax(void);
+ bool IsJPEGExtendedProcess2_4TransferSyntax(void);
+ bool IsJPEGExtendedProcess3_5TransferSyntax(void);
+ bool IsJPEGSpectralSelectionProcess6_8TransferSyntax(void);
+ bool IsRLELossLessTransferSyntax(void);
+ bool IsJPEGLossless(void);
+ bool IsJPEG2000(void);
+ bool IsDicomV3(void);
+ FileType GetFileType(void);
+
+ // Some heuristic based accessors, end user intended
+ // (to be move to gdcmHeaderHelper?)
+ int GetXSize(void);
+ int GetYSize(void);
+ int GetZSize(void);
+ int GetBitsStored(void);
+ int GetBitsAllocated(void);
+ int GetSamplesPerPixel(void);
+ int GetPlanarConfiguration(void);
+
+ int GetPixelSize(void);
+ std::string GetPixelType(void);
+ size_t GetPixelOffset(void);
+ size_t GetPixelAreaLength(void);
+
+ bool HasLUT(void);
+ int GetLUTNbits(void);
+ unsigned char * GetLUTRGBA(void);
+
+ std::string GetTransfertSyntaxName(void);
+
+ // When some proprietary shadow groups are disclosed, we can set up
+ // an additional specific dictionary to access extra information.
+
+ // OK : we still have *ONE* HeaderEntrySet,
+ // with both Public and Shadow Elements
+ // parsed against THE Public Dictionary and A (single) Shadow Dictionary
+
+ // TODO Swig int SetShaDict(std::string filename);
+ // TODO Swig int SetPubDict(std::string filename);
+
+// Public element value
+ std::string GetPubEntryByName (std::string tagName);
+ std::string GetPubEntryVRByName (std::string tagName);
+ std::string GetPubEntryByNumber (guint16 group, guint16 element);
+ std::string GetPubEntryVRByNumber(guint16 group, guint16 element);
+
+ bool SetPubEntryByName (std::string content, std::string tagName);
+ bool SetPubEntryByNumber(std::string content, guint16 group, guint16 element);
+ bool SetPubEntryLengthByNumber(guint32 lgr, guint16 group, guint16 element);
+
+ inline ListTag & GetPubListEntry(void) { return PubEntrySet.GetListEntry();};
+ inline TagHeaderEntryHT & GetPubEntry(void) { return PubEntrySet.GetTagHT(); };
+
+ void PrintPubEntry(std::ostream & os = std::cout);
+ void PrintPubDict (std::ostream & os = std::cout);
+
+// Element value
+ std::string GetEntryByName (std::string tagName);
+ std::string GetEntryVRByName (std::string tagName);
+ std::string GetEntryByNumber (guint16 group, guint16 element);
+ std::string GetEntryVRByNumber(guint16 group, guint16 element);
+
+ bool SetEntryByName(std::string content,std::string tagName);
+// bool SetEntryByNumber(std::string content,guint16 group, guint16 element);
+
+// inline ListTag & GetListEntry(void) { return PubHeaderEntrySet.GetListElem();};
+// inline TagHeaderEntryHT & GetListEntry(void) { return PubHeaderEntrySet.GetTagHt(); };
+
+// Read (used in gdcmFile)
+ FILE *OpenFile(bool exception_on_error = false) throw(gdcmFileError);
+ bool CloseFile(void);
+ virtual void ParseHeader(bool exception_on_error = false) throw(gdcmFormatError);
+
+// Write (used in gdcmFile)
+ bool Write(FILE *, FileType);
+ void SetImageDataSize(size_t ExpectedSize);
+
+ bool ReplaceOrCreateByNumber(std::string Value, guint16 Group, guint16 Elem);
+ bool ReplaceOrCreateByNumber( char * Value, guint16 Group, guint16 Elem);
+ bool ReplaceIfExistByNumber ( char * Value, guint16 Group, guint16 Elem);
+
+// System access
+ inline int GetSwapCode(void) { return sw; }
+ guint16 SwapShort(guint16); // needed by gdcmFile
+ guint32 SwapLong(guint32); // for JPEG Files
+
+protected:
+ bool CheckIfExistByNumber(guint16 Group, guint16 Elem );
+
+ gdcmHeaderEntry *GetHeaderEntryByName (std::string Name);
+ gdcmHeaderEntry *GetHeaderEntryByNumber(guint16 group, guint16 element);
+
+ int write(std::ostream&);
+ int anonymize(std::ostream&); // FIXME : anonymize should be a friend ?
+
+ size_t GetPubEntryOffsetByNumber (guint16 Group, guint16 Elem);
+ void * GetPubEntryVoidAreaByNumber(guint16 Group, guint16 Elem);
+ void * LoadEntryVoidArea (guint16 Group, guint16 Element);
+
+
+// Variables
+ FILE * fp;
+ FileType filetype; // ACR, ACR_LIBIDO, ExplicitVR, ImplicitVR, Unknown
+
+private:
+ // Read
+ void LoadHeaderEntries (void);
+ void LoadHeaderEntry (gdcmHeaderEntry *);
+ void LoadHeaderEntrySafe (gdcmHeaderEntry *);
+ void FindHeaderEntryLength(gdcmHeaderEntry *);
+ void FindHeaderEntryVR (gdcmHeaderEntry *);
+
+ void SkipHeaderEntry (gdcmHeaderEntry *);
+ void FixHeaderEntryFoundLength(gdcmHeaderEntry *, guint32);
+ bool IsHeaderEntryAnInteger (gdcmHeaderEntry *);
+
+ guint32 FindHeaderEntryLengthOB(void);
+
+ guint16 ReadInt16(void);
+ guint32 ReadInt32(void);
+ void SkipBytes(guint32);
+
+ void Initialise(void);
+ void CheckSwap(void);
+ void SwitchSwapToBigEndian(void);
+ void SetMaxSizeLoadElementValue(long);
+
+ // Dict
+ gdcmDictEntry *GetDictEntryByName (std::string Name);
+ gdcmDictEntry *GetDictEntryByNumber(guint16, guint16);
+
+ // HeaderEntry related utilities
+ gdcmHeaderEntry *ReadNextHeaderEntry (void);
+ gdcmHeaderEntry *NewHeaderEntryByNumber(guint16 group, guint16 element);
+ gdcmHeaderEntry *NewHeaderEntryByName (std::string Name);
+
+ // Deprecated (Not used)
+ gdcmHeaderEntry *NewManualHeaderEntryToPubDict(std::string NewTagName,
+ std::string VR);
+
+// Variables
+ // Pointer to the Value Representation Hash Table which contains all
+ // the VR of the DICOM version3 public dictionary.
+ gdcmVR *dicom_vr; // Not a class member for thread-safety reasons
+
+ // Pointer to the Transfert Syntax Hash Table which contains all
+ // the TS of the DICOM version3 public dictionary.
+ gdcmTS *dicom_ts; // Not a class member for thread-safety reasons
+
+ // Pointer to global dictionary container
+ gdcmDictSet *Dicts; // Not a class member for thread-safety reasons
+
+ // Public dictionary used to parse this header
+ gdcmDict *RefPubDict;
+
+ // Optional "shadow dictionary" (private elements) used to parse this
+ // header
+ gdcmDict *RefShaDict;
+
+ /// ELement VALueS parsed with the PUBlic dictionary.
+ gdcmHeaderEntrySet PubEntrySet;
+
+ // Refering underlying filename.
+ std::string filename;
+
+ int enableSequences;
+
+ // FIXME sw should be an enum e.g.
+ //enum EndianType {
+ //LittleEndian,
+ //BadLittleEndian,
+ //BigEndian,
+ //BadBigEndian};
+ // Swap code e.g. little, big, bad-big, bad-little endian). Warning:
+ // this code is not fixed during header parsing.
+ int sw;
+
+ // Size treshold above which an element value will NOT be loaded in
+ // memory (to avoid loading the image/volume itself). By default,
+ // this upper bound is fixed to 1024 bytes (which might look reasonable
+ // when one considers the definition of the various VR contents).
+ guint32 MaxSizeLoadElementValue;
+
+ static const unsigned int HEADER_LENGTH_TO_READ;
+ static const unsigned int MAX_SIZE_LOAD_ELEMENT_VALUE;