Program: gdcm
Module: $RCSfile: gdcmDocument.h,v $
Language: C++
- Date: $Date: 2004/09/14 16:47:08 $
- Version: $Revision: 1.36 $
+ Date: $Date: 2005/01/06 13:35:38 $
+ Version: $Revision: 1.72 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
- http://www.creatis.insa-lyon.fr/Public/Gdcm/License.htm for details.
+ http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
#ifndef GDCMDOCUMENT_H
#define GDCMDOCUMENT_H
-#include "gdcmCommon.h"
#include "gdcmVR.h"
-#include "gdcmTS.h"
-#include "gdcmException.h"
-#include "gdcmDictSet.h"
-#include "gdcmDocEntry.h"
-
-class gdcmValEntry;
-class gdcmBinEntry;
-class gdcmSeqEntry;
-
-#include "gdcmDocEntrySet.h"
+#include "gdcmDict.h"
#include "gdcmElementSet.h"
#include <map>
#include <list>
+#include <fstream>
+
+namespace gdcm
+{
+class ValEntry;
+class BinEntry;
+class SeqEntry;
+class Dict;
+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 gdcmHeader and gdcmDicomDir
+ * \brief Derived by both Header and DicomDir
*/
-class GDCM_EXPORT gdcmDocument : public gdcmElementSet
+class GDCM_EXPORT Document : public ElementSet
{
-friend class gdcmFile;
-private:
- /// Public dictionary used to parse this header
- gdcmDict *RefPubDict;
-
- /// \brief Optional "shadow dictionary" (private elements) used to parse
- /// this header
- gdcmDict *RefShaDict;
-
- /// \brief Size threshold 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).
- uint32_t MaxSizeLoadEntry;
-
- /// \brief Size threshold above which an element value will NOT be *printed*
- /// in order no to polute the screen output. By default, this upper bound
- /// is fixed to 64 bytes.
- uint32_t MaxSizePrintEntry;
-
-protected:
- /// 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.
- int SwapCode;
-
- /// File Pointer, opened during Header parsing.
- FILE *Fp;
-
- /// ACR, ACR_LIBIDO, ExplicitVR, ImplicitVR, Unknown
- FileType Filetype;
+public:
+// Informations contained in the parser
+ virtual bool IsReadable();
+ FileType GetFileType();
- /// After opening the file, we read HEADER_LENGTH_TO_READ bytes.
- static const unsigned int HEADER_LENGTH_TO_READ;
+ TransferSyntaxType GetTransferSyntax();
- /// \brief Elements whose value is longer than MAX_SIZE_LOAD_ELEMENT_VALUE
- /// are NOT loaded.
- static const unsigned int MAX_SIZE_LOAD_ELEMENT_VALUE;
-
- /// \brief Elements whose value is longer than MAX_SIZE_PRINT_ELEMENT_VALUE
- /// are NOT printed.
- /// \todo Currently not used since collides with #define in
- /// \ref gdcmDocEntry.cxx. See also
- /// \ref gdcmDocument::SetMaxSizePrintEntry()
- static const unsigned int MAX_SIZE_PRINT_ELEMENT_VALUE;
+ bool IsJPEGLossless();
+ bool IsJPEG2000();
+ bool IsJPEG();
+ bool IsEncapsulate();
+ bool IsDicomV3();
- /// Will be set 1 if user asks to 'go inside' the 'sequences' (VR = "SQ")
- int EnableSequences;
+ RLEFramesInfo* GetRLEInfo() { return RLEInfo; }
+ JPEGFragmentsInfo* GetJPEGInfo() { return JPEGInfo; }
- /// \brief Amount of printed details for each Header Entry (Dicom Element):
- /// 0 : stands for the least detail level.
- int PrintLevel;
-
-public:
-// the 2 following will be merged
+// Dictionnaries
virtual void PrintPubDict (std::ostream &os = std::cout);
virtual void PrintShaDict (std::ostream &os = std::cout);
-// Dictionnaries
- gdcmDict *GetPubDict();
- gdcmDict *GetShaDict();
- bool SetShaDict(gdcmDict *dict);
+ Dict* GetPubDict();
+ Dict* GetShaDict();
+ bool SetShaDict(Dict* dict);
bool SetShaDict(DictKey const & dictName);
-// Informations contained in the parser
- virtual bool IsReadable();
- bool IsGivenTransferSyntax(std::string const & syntaxToCheck);
- bool IsImplicitVRLittleEndianTransferSyntax();
- bool IsExplicitVRLittleEndianTransferSyntax();
- bool IsDeflatedExplicitVRLittleEndianTransferSyntax();
- bool IsExplicitVRBigEndianTransferSyntax();
- bool IsJPEGBaseLineProcess1TransferSyntax();
- bool IsJPEGExtendedProcess2_4TransferSyntax();
- bool IsJPEGExtendedProcess3_5TransferSyntax();
- bool IsJPEGSpectralSelectionProcess6_8TransferSyntax();
- bool IsRLELossLessTransferSyntax();
- bool IsJPEGLossless();
- bool IsJPEG2000();
- bool IsDicomV3();
+// Swap code
+ /// '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
+
+// Ordering of Documents
+ bool operator<(Document &document);
- FileType GetFileType();
+public:
+// File I/O
+ /// Accessor to \ref Filename
+ const std::string &GetFileName() const { return Filename; }
+ /// Accessor to \ref Filename
+ void SetFileName(std::string const & fileName) { Filename = fileName; }
- FILE* OpenFile();
+ std::ifstream* OpenFile();
bool CloseFile();
+ void WriteContent( std::ofstream* fp, FileType type );
- void Write(FILE* 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 void* GetEntryBinAreaByNumber(uint16_t group, uint16_t elem);
- gdcmValEntry* ReplaceOrCreateByNumber(std::string const & value,
- 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);
- gdcmValEntry* ReplaceOrCreateByNumber(std::string const & value,
- uint16_t group, uint16_t elem,
- std::string const & VR);
-
- gdcmBinEntry* ReplaceOrCreateByNumber(void *voidArea, int lgth,
- 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);
- gdcmSeqEntry* ReplaceOrCreateByNumber(uint16_t group, uint16_t elem);
+ 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 );
+ uint16_t group, uint16_t elem );
- virtual void* LoadEntryVoidArea(uint16_t group, uint16_t elem);
- virtual void* LoadEntryVoidArea(gdcmBinEntry* entry);
+ virtual void LoadEntryBinArea(uint16_t group, uint16_t elem);
+ virtual void LoadEntryBinArea(BinEntry* entry);
+
+ void LoadDocEntrySafe(DocEntry* entry);
+ TagDocEntryHT* BuildFlatHashTable();
- // System access (meaning endian related !?)
- uint16_t SwapShort(uint16_t); // needed by gdcmFile
- uint32_t SwapLong(uint32_t); // needed by gdcmFile
- uint16_t UnswapShort(uint16_t); // needed by gdcmFile
- uint32_t UnswapLong(uint32_t); // needed by gdcmFile
+// Divers
+ static std::string GetTransferSyntaxValue(TransferSyntaxType type);
protected:
+// Methods
// Constructor and destructor are protected to forbid end user
- // to instanciate from this class gdcmDocument (only gdcmHeader and
- // gdcmDicomDir are meaningfull).
- gdcmDocument();
- gdcmDocument( std::string const & filename );
- virtual ~gdcmDocument();
+ // to instanciate from this class Document (only Header and
+ // DicomDir are meaningfull).
+ Document();
+ Document( std::string const & filename );
+ virtual ~Document();
- void Parse7FE0 ();
+ void ReadAndSkipEncapsulatedBasicOffsetTable();
+ void ComputeRLEInfo();
+ void ComputeJPEGFragmentInfo();
// Entry
bool CheckIfEntryExistByNumber(uint16_t group, uint16_t elem );
-public:
- 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);
-//protected:
- virtual bool SetEntryByName (std::string const & content,
- std::string const & tagName);
- virtual bool SetEntryByNumber(std::string const & content,
- uint16_t group, uint16_t element);
- virtual bool SetEntryByNumber(void *content, int lgth,
- uint16_t group, uint16_t element);
- virtual bool SetEntryLengthByNumber(uint32_t length,
- uint16_t group, uint16_t element);
- virtual size_t GetEntryOffsetByNumber(uint16_t group, uint16_t elem);
- virtual void* GetEntryVoidAreaByNumber(uint16_t group, uint16_t elem);
- virtual bool SetEntryVoidAreaByNumber(void* a, uint16_t group,
- uint16_t elem);
+ int ComputeGroup0002Length( FileType filetype );
+
+// Variables
+ /// 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.
+ int SwapCode;
+
+ /// File Pointer, opened during Header parsing.
+ std::ifstream* Fp;
+
+ /// ACR, ACR_LIBIDO, ExplicitVR, ImplicitVR, Unknown
+ FileType Filetype;
+
+ /// After opening the file, we read HEADER_LENGTH_TO_READ bytes.
+ static const unsigned int HEADER_LENGTH_TO_READ;
- virtual void UpdateShaEntries();
+ /// \brief Elements whose value is longer than MAX_SIZE_LOAD_ELEMENT_VALUE
+ /// are NOT loaded.
+ static const unsigned int MAX_SIZE_LOAD_ELEMENT_VALUE;
- // Header entry
- gdcmDocEntry* GetDocEntryByNumber(uint16_t group, uint16_t element);
- gdcmDocEntry* GetDocEntryByName (std::string const & tagName);
+ /// \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;
- gdcmValEntry* GetValEntryByNumber(uint16_t group, uint16_t element);
- gdcmBinEntry* GetBinEntryByNumber(uint16_t group, uint16_t element);
+ /// Store the RLE frames info obtained during parsing of pixels.
+ RLEFramesInfo* RLEInfo;
- void LoadDocEntrySafe(gdcmDocEntry* entry);
+ /// Store the JPEG fragments info obtained during parsing of pixels.
+ JPEGFragmentsInfo* JPEGInfo;
private:
+// Methods
// Read
- long ParseDES(gdcmDocEntrySet *set,long offset, long l_max, bool delim_mode);
- long ParseSQ (gdcmSeqEntry *seq, long offset, long l_max, bool delim_mode);
-
- void LoadDocEntry (gdcmDocEntry *);
- void FindDocEntryLength(gdcmDocEntry *) throw ( gdcmFormatError );
- void FindDocEntryVR (gdcmDocEntry *);
- bool CheckDocEntryVR (gdcmDocEntry *, gdcmVRKey);
+ void ParseDES(DocEntrySet *set,long offset, long l_max, bool delim_mode);
+ void ParseSQ (SeqEntry *seq, long offset, long l_max, bool delim_mode);
- std::string GetDocEntryValue (gdcmDocEntry *);
- std::string GetDocEntryUnvalue(gdcmDocEntry *);
+ void LoadDocEntry (DocEntry *);
+ void FindDocEntryLength (DocEntry *) throw ( FormatError );
+ std::string FindDocEntryVR();
+ bool CheckDocEntryVR (VRKey);
- void SkipDocEntry (gdcmDocEntry *);
- void SkipToNextDocEntry (gdcmDocEntry *);
+ std::string GetDocEntryValue (DocEntry *);
+ std::string GetDocEntryUnvalue(DocEntry *);
- void FixDocEntryFoundLength(gdcmDocEntry *, uint32_t);
- bool IsDocEntryAnInteger (gdcmDocEntry *);
+ void SkipDocEntry (DocEntry *);
+ void SkipToNextDocEntry (DocEntry *);
- uint32_t FindDocEntryLengthOB() throw( gdcmFormatUnexpected );
+ void FixDocEntryFoundLength(DocEntry *, uint32_t);
+ bool IsDocEntryAnInteger (DocEntry *);
- uint16_t ReadInt16() throw ( gdcmFormatError );
- uint32_t ReadInt32() throw ( gdcmFormatError );
+ uint32_t FindDocEntryLengthOB() throw( FormatUnexpected );
+
+ uint16_t ReadInt16() throw ( FormatError );
+ uint32_t ReadInt32() throw ( FormatError );
void SkipBytes(uint32_t);
bool ReadTag(uint16_t, uint16_t);
uint32_t ReadTagLength(uint16_t, uint16_t);
void SetMaxSizePrintEntry(long);
// DocEntry related utilities
- gdcmDocEntry* ReadNextDocEntry();
+ DocEntry* ReadNextDocEntry();
uint32_t GenerateFreeTagKeyInGroup(uint16_t group);
+ void BuildFlatHashTableRecurse( TagDocEntryHT& builtHT,
+ DocEntrySet* set );
-public:
-// Accessors:
- /// Accessor to \ref PrintLevel
- void SetPrintLevel(int level) { PrintLevel = level; }
-
- /// Accessor to \ref Filename
- const std::string &GetFileName() { return Filename; }
-
- /// Accessor to \ref Filename
- void SetFileName(std::string const & fileName) { Filename = fileName; }
+ void HandleBrokenEndian(uint16_t group, uint16_t elem);
- /// 'Swap code' accessor (see \ref SwapCode )
- int GetSwapCode() { return SwapCode; }
+// Variables
+ /// Public dictionary used to parse this header
+ Dict* RefPubDict;
- /// File pointer
- FILE * GetFP() { return Fp; }
+ /// \brief Optional "shadow dictionary" (private elements) used to parse
+ /// this header
+ Dict* RefShaDict;
- bool operator<(gdcmDocument &document);
+ /// \brief Size threshold 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).
+ uint32_t MaxSizeLoadEntry;
+
+ /// \brief Size threshold above which an element value will NOT be *printed*
+ /// in order no to polute the screen output. By default, this upper bound
+ /// is fixed to 64 bytes.
+ uint32_t MaxSizePrintEntry;
+private:
+ friend class File;
};
+} // end namespace gdcm
//-----------------------------------------------------------------------------
#endif