// gdcmHeader.h
-
+//-----------------------------------------------------------------------------
#ifndef GDCMHEADER_H
#define GDCMHEADER_H
-#include <map>
#include "gdcmCommon.h"
-#include "gdcmException.h"
-#include "gdcmDictSet.h"
-#include "gdcmElValue.h"
-#include "gdcmElValSet.h"
-
-typedef string VRKey;
-typedef string VRAtr;
-typedef map<VRKey, VRAtr> VRHT; // Value Representation Hash Table
-
-/// The purpose of an instance of gdcmHeader is to act as a container of
-/// all the DICOM elements and their corresponding values (and
-/// additionaly the corresponding DICOM dictionary entry) of the header
-/// of a DICOM file.
-///
-/// The typical usage of instances of class gdcmHeader is to classify a set of
-/// dicom files according to header information e.g. to create a file hierarchy
-/// reflecting the Patient/Study/Serie informations, or extracting a given
-/// SerieId. Accesing the content (image[s] or volume[s]) is beyond the
-/// functionality of this class and belongs to gdmcFile.
-/// \note The various entries of the explicit value representation (VR) shall
-/// be managed within a dictionary which is shared by all gdcmHeader
-/// instances.
-/// \note The gdcmHeader::Set*Tag* family members cannot be defined as
-/// protected due to Swig limitations for as Has_a dependency between
-/// gdcmFile and gdcmHeader.
-
-class GDCM_EXPORT gdcmHeader {
- void SkipBytes(guint32);
-private:
- /// Pointer to the Value Representation Hash Table which contains all
- /// the VR of the DICOM version3 public dictionary.
- static VRHT *dicom_vr;
-
- /// Global dictionary container
- gdcmDictSet* Dicts;
- /// 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.
- gdcmElValSet PubElValSet;
- /// ELement VALueS parsed with the SHAdow dictionary.
- gdcmElValSet ShaElValSet;
- /// Refering underlying filename.
- string filename;
- FILE * fp;
-
- // 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;
-
- guint16 ReadInt16(void);
- guint32 ReadInt32(void);
- guint16 SwapShort(guint16);
- guint32 SwapLong(guint32);
- guint32 FindLengthOB(void);
- void Initialise(void);
- void CheckSwap(void);
- void InitVRDict(void);
- void SwitchSwapToBigEndian(void);
- // CLEAN ME: NewManualElValToPubDict is NOT called any more.
- gdcmElValue* NewManualElValToPubDict(string NewTagName, string VR);
- void SetMaxSizeLoadElementValue(long);
-
- gdcmDictEntry * GetDictEntryByKey(guint16, guint16);
- gdcmDictEntry * GetDictEntryByName(string name);
-
- // ElValue related utilities
- gdcmElValue * ReadNextElement(void);
- gdcmElValue * NewElValueByKey(guint16 group, guint16 element);
- gdcmElValue * NewElValueByName(string name);
- void FindLength(gdcmElValue *);
- void FindVR(gdcmElValue *);
- void LoadElementValue(gdcmElValue *);
- void LoadElementValueSafe(gdcmElValue *);
- void SkipElementValue(gdcmElValue *);
- void FixFoundLength(gdcmElValue*, guint32);
- bool IsAnInteger(gdcmElValue *);
- void LoadElements(void);
-
- bool IsImplicitVRLittleEndianTransferSyntax(void);
- bool IsExplicitVRLittleEndianTransferSyntax(void);
- bool IsDeflatedExplicitVRLittleEndianTransferSyntax(void);
- bool IsExplicitVRBigEndianTransferSyntax(void);
+#include "gdcmParser.h"
+
+//-----------------------------------------------------------------------------
+/*
+ * \defgroup gdcmHeader
+ * \brief
+ * The purpose of an instance of gdcmHeader is to act as a container of
+ * all the DICOM elements and their corresponding values (and
+ * additionaly the corresponding DICOM dictionary entry) of the header
+ * of a DICOM file.
+ *
+ * The typical usage of instances of class gdcmHeader is to classify a set of
+ * dicom files according to header information e.g. to create a file hierarchy
+ * reflecting the Patient/Study/Serie informations, or extracting a given
+ * SerieId. Accessing the content (image[s] or volume[s]) is beyond the
+ * functionality of this class and belongs to gdmcFile.
+ * \note The various entries of the explicit value representation (VR) shall
+ * be managed within a dictionary which is shared by all gdcmHeader
+ * instances.
+ * \note The gdcmHeader::Set*Tag* family members cannot be defined as
+ * protected due to Swig limitations for as Has_a dependency between
+ * gdcmFile and gdcmHeader.
+ */
+class GDCM_EXPORT gdcmHeader : public gdcmParser
+{
+public:
+ gdcmHeader(bool exception_on_error = false);
+ gdcmHeader(const char *filename,
+ bool exception_on_error = false,
+ bool enable_sequences = false,
+ bool skip_shadow = false);
+
+ virtual ~gdcmHeader();
+
+// Standard values and informations contained in the header
+ virtual bool IsReadable(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);
-
-protected:
- FileType filetype;
- int write(ostream&);
- int anonymize(ostream&); // FIXME : anonymize should be a friend ?
-public:
- bool IsReadable(void);
- virtual void ParseHeader(bool exception_on_error = false)
- throw(gdcmFormatError);
- gdcmHeader(const char *filename, bool exception_on_error = false)
- throw(gdcmFileError);
- virtual ~gdcmHeader();
-
+
+ // 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);
- void GetPixels(size_t, void *);
- int GetSwapCode(void) { return sw; }
+ size_t GetPixelAreaLength(void);
+
+ bool HasLUT(void);
+ int GetLUTNbits(void);
+ unsigned char * GetLUTRGBA(void);
+
+ std::string GetTransfertSyntaxName(void);
- // 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);
-
- string GetPubElValByName(string TagName);
- string GetPubElValByNumber(guint16 group, guint16 element);
- string GetPubElValRepByName(string TagName);
- string GetPubElValRepByNumber(guint16 group, guint16 element);
-
- TagElValueHT & GetPubElVal(void) { return PubElValSet.GetTagHt(); };
- void PrintPubElVal(ostream & os = cout);
- void PrintPubDict (ostream & os = cout);
-
- // TODO Swig string* GetShaTagNames();
- string GetShaElValByName(string TagName);
- string GetShaElValByNumber(guint16 group, guint16 element);
- string GetShaElValRepByName(string TagName);
- string GetShaElValRepByNumber(guint16 group, guint16 element);
-
- 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);
- int SetPubElValLengthByNumber(guint32 lgr, guint16 group, guint16 element);
- int ReplaceOrCreateByNumber(guint16 Group, guint16 Elem, string Value);
- int GetXSize(void);
- int GetYSize(void);
- int GetZSize(void);
- string GetPixelType(void);
- int Write(FILE *, FileType);
+ // 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);
+
+// Entry
+
+ inline virtual std::string GetEntryByNumber (guint16 group, guint16 element)
+ { return(gdcmParser::GetEntryByNumber(group,element)); }
+ inline virtual std::string GetEntryVRByNumber(guint16 group, guint16 element)
+ { return(gdcmParser::GetEntryVRByNumber(group,element)); }
+
+ inline virtual std::string GetEntryByName (std::string tagName)
+ { return(gdcmParser::GetEntryByName(tagName)); }
+ inline virtual std::string GetEntryVRByName (std::string tagName)
+ { return(gdcmParser::GetEntryVRByName(tagName)); }
+
+ inline virtual bool SetEntryByNumber(std::string content,guint16 group, guint16 element)
+ { return(gdcmParser::SetEntryByNumber(content,group,element)); }
+ inline virtual bool SetEntryByName(std::string content,std::string tagName)
+ { return(gdcmParser::SetEntryByName(content,tagName)); }
+
+ inline virtual bool SetEntryLengthByNumber(guint32 l,guint16 group, guint16 element)
+ { return(gdcmParser::SetEntryLengthByNumber(l,group,element)); }
+
+ inline virtual void UpdateShaEntries(void)
+ { gdcmParser::UpdateShaEntries(); }
+
+// Read (used in gdcmFile)
+ void SetImageDataSize(size_t ExpectedSize);
+
+ bool operator<(gdcmHeader &header);
+
+protected:
+ int write(std::ostream&);
+ int anonymize(std::ostream&); // FIXME : anonymize should be a friend ?
+ bool anonymizeHeader(void);
+private:
+
};
+//-----------------------------------------------------------------------------
#endif