Program: gdcm
Module: $RCSfile: gdcmDocument.h,v $
Language: C++
- Date: $Date: 2005/01/07 16:45:51 $
- Version: $Revision: 1.77 $
+ Date: $Date: 2005/01/18 08:01:41 $
+ Version: $Revision: 1.89 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
class RLEFramesInfo;
class JPEGFragmentsInfo;
-enum TransferSyntaxType {
- ImplicitVRLittleEndian = 0,
- ImplicitVRLittleEndianDLXGE,
- ExplicitVRLittleEndian,
- DeflatedExplicitVRLittleEndian,
- ExplicitVRBigEndian,
- JPEGBaselineProcess1,
- JPEGExtendedProcess2_4,
- JPEGExtendedProcess3_5,
- JPEGSpectralSelectionProcess6_8,
- JPEGFullProgressionProcess10_12,
- JPEGLosslessProcess14,
- JPEGLosslessProcess14_1,
- JPEG2000Lossless,
- JPEG2000,
- RLELossless,
- UnknownTS
-};
-
//-----------------------------------------------------------------------------
/**
* \brief Derived by both Header and DicomDir
virtual bool IsReadable();
FileType GetFileType();
- TransferSyntaxType GetTransferSyntax();
-
- bool IsJPEGLossless();
- bool IsJPEG2000();
- bool IsJPEG();
- bool IsEncapsulate();
- bool IsDicomV3();
-
+ std::string GetTransferSyntax();
+
RLEFramesInfo *GetRLEInfo() { return RLEInfo; }
JPEGFragmentsInfo *GetJPEGInfo() { return JPEGInfo; }
-// Dictionnaries
+// Dictionaries
virtual void PrintPubDict (std::ostream &os = std::cout);
virtual void PrintShaDict (std::ostream &os = std::cout);
// Content entries
- virtual bool SetEntryByNumber(std::string const &content,
- uint16_t group, uint16_t element);
- virtual bool SetEntryByNumber(uint8_t *content, int lgth,
- uint16_t group, uint16_t element);
- virtual bool SetEntry(std::string const &content,ValEntry *entry);
- virtual bool SetEntry(uint8_t *content, int lgth,BinEntry *entry);
-
- virtual void *GetEntryBinAreaByNumber(uint16_t group, uint16_t elem);
-
- virtual std::string GetEntryByNumber (uint16_t group, uint16_t elem);
- virtual std::string GetEntryVRByNumber(uint16_t group, uint16_t elem);
- virtual int GetEntryLengthByNumber(uint16_t group, uint16_t elem);
-
- DocEntry *GetDocEntryByNumber(uint16_t group, uint16_t element);
- ValEntry *GetValEntryByNumber(uint16_t group, uint16_t element);
- BinEntry *GetBinEntryByNumber(uint16_t group, uint16_t element);
-
- ValEntry *ReplaceOrCreateByNumber(std::string const &value,
- uint16_t group, uint16_t elem,
- TagName const &vr = GDCM_UNKNOWN);
- BinEntry *ReplaceOrCreateByNumber(uint8_t* binArea, int lgth,
- uint16_t group, uint16_t elem,
- TagName const &vr = GDCM_UNKNOWN);
- SeqEntry *ReplaceOrCreateByNumber(uint16_t group, uint16_t elem);
-
- bool ReplaceIfExistByNumber ( std::string const &value,
- uint16_t group, uint16_t elem );
+ virtual bool SetEntry(std::string const &content,
+ uint16_t group, uint16_t element);
+ virtual bool SetEntry(uint8_t *content, int lgth,
+ uint16_t group, uint16_t element);
+ virtual bool SetEntry(std::string const &content, ValEntry *entry);
+ virtual bool SetEntry(uint8_t *content, int lgth, BinEntry *entry);
+
+ virtual void *GetEntryBinArea(uint16_t group, uint16_t elem);
+
+ virtual std::string GetEntry (uint16_t group, uint16_t elem);
+ virtual std::string GetEntryVR(uint16_t group, uint16_t elem);
+ virtual int GetEntryLength(uint16_t group, uint16_t elem);
+
+ DocEntry *GetDocEntry(uint16_t group, uint16_t element);
+ ValEntry *GetValEntry(uint16_t group, uint16_t element);
+ BinEntry *GetBinEntry(uint16_t group, uint16_t element);
+
+ ValEntry *ReplaceOrCreate(std::string const &value,
+ uint16_t group, uint16_t elem,
+ TagName const &vr = GDCM_UNKNOWN);
+ BinEntry *ReplaceOrCreate(uint8_t* binArea, int lgth,
+ uint16_t group, uint16_t elem,
+ TagName const &vr = GDCM_UNKNOWN);
+ SeqEntry *ReplaceOrCreate(uint16_t group, uint16_t elem);
+
+ bool ReplaceIfExist(std::string const &value,
+ uint16_t group, uint16_t elem );
+
+ bool CheckIfEntryExist(uint16_t group, uint16_t elem );
virtual void LoadEntryBinArea(uint16_t group, uint16_t elem);
virtual void LoadEntryBinArea(BinEntry *entry);
void LoadDocEntrySafe(DocEntry *entry);
- TagDocEntryHT *BuildFlatHashTable();
-
-// Divers
- static std::string GetTransferSyntaxValue(TransferSyntaxType type);
+ /*TagDocEntryHT *BuildFlatHashTable();*/
+
+ /// Return the Transfer Syntax as a string
+ std::string GetTransferSyntaxName();
+
+ bool IsDicomV3();
protected:
// Methods
void ComputeRLEInfo();
void ComputeJPEGFragmentInfo();
// Entry
- bool CheckIfEntryExistByNumber(uint16_t group, uint16_t elem );
int ComputeGroup0002Length( FileType filetype );
/// Refering underlying filename.
std::string Filename;
- /// \brief SWap code (e.g. Big Endian, Little Endian, Bad Big Endian,
- /// Bad Little Endian) according to the processor Endianity and
- /// what is written on disc.
+ /// \brief Swap code gives an information on the byte order of a
+ /// supposed to be an int32, as it's read on disc
+ /// (depending on the image Transfer Syntax *and* on the processor endianess)
+ /// as opposed as it should in memory to be dealt as an int32.
+ /// For instance :
+ /// - a 'Little Endian' image, read with a little endian processor
+ /// will have a SwapCode= 1234 (the order is OK; nothing to do)
+ /// - a 'Little Endian' image, read with a big endian procesor
+ /// will have a SwapCode= 4321 (the order is wrong; int32 an int16 must be
+ /// swapped)
+ /// note : values 2143, 4321, 3412 remain for the ACR-NEMA time, and
+ /// the well knowed 'Bad Big Endian' and 'Bad Little Endian' codes
int SwapCode;
+ ///\brief whether we already parsed group 0002
+ bool Group0002Parsed;
+
+ ///\brief whether file has a DCM Preamble
+ bool HasDCMPreamble;
+
/// File Pointer, opened during Header parsing.
std::ifstream *Fp;
void Initialise();
bool CheckSwap();
- void SwitchSwapToBigEndian();
+ void SwitchByteSwapCode();
void SetMaxSizeLoadEntry(long);
void SetMaxSizePrintEntry(long);
DocEntry *ReadNextDocEntry();
uint32_t GenerateFreeTagKeyInGroup(uint16_t group);
- void BuildFlatHashTableRecurse( TagDocEntryHT &builtHT,
- DocEntrySet* set );
+/* void BuildFlatHashTableRecurse( TagDocEntryHT &builtHT,
+ DocEntrySet* set );*/
- void HandleBrokenEndian(uint16_t group, uint16_t elem);
+ void HandleBrokenEndian(uint16_t &group, uint16_t &elem);
+ void HandleOutOfGroup0002(uint16_t &group, uint16_t &elem);
// Variables
/// Public dictionary used to parse this header