Program: gdcm
Module: $RCSfile: gdcmDocument.h,v $
Language: C++
- Date: $Date: 2005/01/06 20:03:27 $
- Version: $Revision: 1.75 $
+ Date: $Date: 2005/01/24 16:44:54 $
+ Version: $Revision: 1.100 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include "gdcmVR.h"
#include "gdcmDict.h"
#include "gdcmElementSet.h"
+#include "gdcmException.h"
#include <map>
#include <list>
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
+ * \brief Derived by both gdcm::File and gdcm::DicomDir
*/
class GDCM_EXPORT Document : public ElementSet
{
public:
-// Informations contained in the parser
+// Informations contained in the gdcm::Document
virtual bool IsReadable();
FileType GetFileType();
- TransferSyntaxType GetTransferSyntax();
-
- bool IsJPEGLossless();
- bool IsJPEG2000();
- bool IsJPEG();
- bool IsEncapsulate();
- bool IsDicomV3();
-
+ std::string GetTransferSyntax();
+ /// returns RLEFramesInfo
RLEFramesInfo *GetRLEInfo() { return RLEInfo; }
+ /// returns JPEGFragmentsInfo
JPEGFragmentsInfo *GetJPEGInfo() { return JPEGInfo; }
-// Dictionnaries
+// Dictionaries
virtual void PrintPubDict (std::ostream &os = std::cout);
virtual void PrintShaDict (std::ostream &os = std::cout);
/// 'Swap code' accessor (see \ref SwapCode )
int GetSwapCode() { return SwapCode; }
// System access (meaning endian related !?)
- uint16_t SwapShort(uint16_t); // needed by File
- uint32_t SwapLong(uint32_t); // needed by File
- uint16_t UnswapShort(uint16_t); // needed by File
- uint32_t UnswapLong(uint32_t); // needed by File
+ uint16_t SwapShort(uint16_t); // needed by Document
+ uint32_t SwapLong(uint32_t); // needed by Document
+ uint16_t UnswapShort(uint16_t); // needed by Document
+ uint32_t UnswapLong(uint32_t); // needed by Document
// Ordering of Documents
bool operator<(Document &document);
void WriteContent( std::ofstream *fp, FileType type );
// Content entries
- virtual bool SetEntryByName (std::string const &content,
- TagName const &tagName );
- 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 GetEntryByName (TagName const &tagName);
- virtual std::string GetEntryVRByName (TagName const &tagName);
- 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);
- DocEntry *GetDocEntryByName (TagName const &tagName);
- 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 );
+
+// Oops ! Python is gonna cry :
+// 4 methods with same name and different parameters ...
+// Only C++ is aware!
+
+ virtual bool SetEntryValue(std::string const &content,
+ uint16_t group, uint16_t elem);
+ virtual bool SetEntryBinArea(uint8_t *content, int lgth,
+ uint16_t group, uint16_t elem);
+ virtual bool SetEntryValue(std::string const &content, ValEntry *entry);
+ virtual bool SetEntryBinArea(uint8_t *content, int lgth, BinEntry *entry);
+
+ virtual void *GetEntryBinArea(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);
+
+ ValEntry *Insert(std::string const &value,
+ uint16_t group, uint16_t elem,
+ TagName const &vr = GDCM_UNKNOWN);
+ BinEntry *Insert(uint8_t *binArea, int lgth,
+ uint16_t group, uint16_t elem,
+ TagName const &vr = GDCM_UNKNOWN);
+ SeqEntry *Insert(uint16_t group, uint16_t elem);
+
+ bool ReplaceIfExist(std::string const &value,
+ 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();
+ bool IsPapyrus();
protected:
// Methods
// Constructor and destructor are protected to forbid end user
- // to instanciate from this class Document (only Header and
- // DicomDir are meaningfull).
+ // to instanciate from this class Document (only gdcm::File and
+ // gdcm::DicomDir are meaningfull).
Document();
Document( std::string const &filename );
virtual ~Document();
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 known 'Bad Big Endian' and 'Bad Little Endian' codes
int SwapCode;
- /// File Pointer, opened during Header parsing.
+ ///\brief whether we already parsed group 0002 (Meta Elements)
+ bool Group0002Parsed;
+
+ ///\brief whether file has a DCM Preamble
+ bool HasDCMPreamble;
+
+ /// File Pointer, opened during Document parsing.
std::ifstream *Fp;
/// ACR, ACR_LIBIDO, ExplicitVR, ImplicitVR, Unknown
/// \brief Elements whose value is longer than MAX_SIZE_PRINT_ELEMENT_VALUE
/// are NOT printed.
- /// \todo Currently not used since collides with #define in
- /// class DocEntry . See also
- /// method ref Document::SetMaxSizePrintEntry()
static const unsigned int MAX_SIZE_PRINT_ELEMENT_VALUE;
/// Store the RLE frames info obtained during parsing of pixels.
void LoadDocEntry (DocEntry *e);
void FindDocEntryLength (DocEntry *e) throw ( FormatError );
+ uint32_t FindDocEntryLengthOBOrOW() throw( FormatUnexpected );
std::string FindDocEntryVR();
bool CheckDocEntryVR (VRKey k);
- std::string GetDocEntryValue (DocEntry *e);
- std::string GetDocEntryUnvalue(DocEntry *e);
-
+ std::string GetDocEntryValue (DocEntry *entry);
+ std::string GetDocEntryUnvalue(DocEntry *entry);
- void SkipDocEntry (DocEntry *e);
- void SkipToNextDocEntry (long offset,long readLgth);
- void FixDocEntryFoundLength(DocEntry *e, uint32_t l);
- bool IsDocEntryAnInteger (DocEntry *e);
+ void SkipDocEntry (DocEntry *entry);
+ void SkipToNextDocEntry (DocEntry *entry);
- uint32_t FindDocEntryLengthOB() throw( FormatUnexpected );
+ void FixDocEntryFoundLength(DocEntry *entry,uint32_t l);
+ bool IsDocEntryAnInteger (DocEntry *entry);
uint16_t ReadInt16() throw ( FormatError );
uint32_t ReadInt32() throw ( FormatError );
bool ReadTag(uint16_t, uint16_t);
uint32_t ReadTagLength(uint16_t, uint16_t);
- void Initialise();
+ void Initialize();
bool CheckSwap();
- void SwitchSwapToBigEndian();
+ void SwitchByteSwapCode();
void SetMaxSizeLoadEntry(long);
void SetMaxSizePrintEntry(long);
// DocEntry related utilities
DocEntry *ReadNextDocEntry();
- uint32_t GenerateFreeTagKeyInGroup(uint16_t group);
- void BuildFlatHashTableRecurse( TagDocEntryHT &builtHT,
- DocEntrySet* set );
+// uint32_t GenerateFreeTagKeyInGroup(uint16_t group);
+// 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
uint32_t MaxSizePrintEntry;
private:
- friend class File;
+
};
+
} // end namespace gdcm
//-----------------------------------------------------------------------------
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff