-#include "gdcm.h"
-extern "C" {
-#include "glib.h"
-}
-#include <stdio.h>
-// For nthos:
-#ifdef _MSC_VER
-#include <winsock.h>
-#else
-#include <netinet/in.h>
-#endif
-#include <map>
-#include <sstream>
-#include "gdcmUtil.h"
+// gdcmHeader.cxx
+//-----------------------------------------------------------------------------
+#include "gdcmHeader.h"
-#define HEADER_LENGHT_TO_READ 256 // on ne lit plus que le debut
-
-namespace Error {
- struct FileReadError {
- FileReadError(FILE* fp, const char* Mesg) {
- if (feof(fp))
- dbg.Verbose(1, "EOF encountered :", Mesg);
- if (ferror(fp))
- dbg.Verbose(1, "Error on reading :", Mesg);
- }
- };
-}
+#include <stdio.h>
+#include <cerrno>
+#include <cctype> // for isalpha
-//FIXME: this looks dirty to me...
-#define str2num(str, typeNum) *((typeNum *)(str))
+#include "gdcmUtil.h"
+#include "gdcmTS.h"
-VRHT * gdcmHeader::dicom_vr = (VRHT*)0;
-gdcmDictSet* gdcmHeader::Dicts = new gdcmDictSet();
-void gdcmHeader::Initialise(void) {
- if (!gdcmHeader::dicom_vr)
- InitVRDict();
- RefPubDict = gdcmHeader::Dicts->GetDefaultPublicDict();
- RefShaDict = (gdcmDict*)0;
+//-----------------------------------------------------------------------------
+// Constructor / Destructor
+/**
+ * \ingroup gdcmHeader
+ * \brief
+ * @param InFilename
+ * @param exception_on_error
+ * @param enable_sequences = true to allow the header
+ * to be parsed *inside* the SeQuences,
+ * when they have an actual length
+ * @param ignore_shadow = true if user wants to skip shadow groups
+ during parsing, to save memory space
+ *\TODO : may be we need one more bool,
+ * to allow skipping the private elements while parsing the header
+ * in order to save space
+ */
+gdcmHeader::gdcmHeader(const char *InFilename,
+ bool exception_on_error,
+ bool enable_sequences,
+ bool ignore_shadow):
+ gdcmParser(InFilename,exception_on_error,enable_sequences,ignore_shadow)
+{
+
+ // for some ACR-NEMA images GrPixel, NumPixel is *not* 7fe0,0010
+ // We may encounter the 'RETired' (0x0028, 0x0200) tag
+ // (Image Location") . This Element contains the number of
+ // the group that contains the pixel data (hence the "Pixel Data"
+ // is found by indirection through the "Image Location").
+ // Inside the group pointed by "Image Location" the searched element
+ // is conventionally the element 0x0010 (when the norm is respected).
+ // When the "Image Location" is absent we default to group 0x7fe0.
+
+ // This IS the right place for the code
+
+ std::string ImageLocation = GetEntryByNumber(0x0028, 0x0200);
+ if ( ImageLocation == GDCM_UNFOUND ) { // Image Location
+ GrPixel = 0x7fe0; // default value
+ } else {
+ GrPixel = (guint16) atoi( ImageLocation.c_str() );
+ }
+ if (GrPixel == 0xe07f) // sometimes Image Location value doesn't follow
+ GrPixel = 0x7fe0; // the supposed processor endianity.
+ // see gdcmData/cr172241.dcm
+ if (GrPixel != 0x7fe0)
+ // This is a kludge for old dirty Philips imager.
+ NumPixel = 0x1010;
+ else
+ NumPixel = 0x0010;
+
+ TagKey key = gdcmDictEntry::TranslateToKey(GrPixel, NumPixel);
+ countGrPixel = GetEntry().count(key);
}
-gdcmHeader::gdcmHeader (const char* InFilename) {
- filename = InFilename;
- Initialise();
- fp=fopen(InFilename,"rw");
- dbg.Error(!fp, "gdcmHeader::gdcmHeader cannot open file", InFilename);
- ParseHeader();
+/**
+ * \ingroup gdcmHeader
+ * \brief
+ * @param exception_on_error
+ */
+gdcmHeader::gdcmHeader(bool exception_on_error) :
+ gdcmParser(exception_on_error)
+{
}
+/**
+ * \ingroup gdcmHeader
+ * \brief Canonical destructor.
+ */
gdcmHeader::~gdcmHeader (void) {
- fclose(fp);
- return;
}
-void gdcmHeader::InitVRDict (void) {
- if (dicom_vr) {
- dbg.Verbose(0, "gdcmHeader::InitVRDict:", "VR dictionary allready set");
- return;
- }
- VRHT *vr = new VRHT;
- (*vr)["AE"] = "Application Entity"; // 16 car max
- (*vr)["AS"] = "Age String"; // 4 car fixe
- (*vr)["AT"] = "Attribute Tag"; // 2 unsigned short int
- (*vr)["CS"] = "Code String"; // 16 car max
- (*vr)["DA"] = "Date"; // 8 car fixe
- (*vr)["DS"] = "Decimal String"; // Decimal codé Binaire 16 max
- (*vr)["DT"] = "Date Time"; // 26 car max
- (*vr)["FL"] = "Floating Point Single"; // 4 octets IEEE 754:1985
- (*vr)["FD"] = "Floating Point Double"; // 8 octets IEEE 754:1985
- (*vr)["IS"] = "Integer String"; // en format externe 12 max
- (*vr)["LO"] = "Long String"; // 64 octets max
- (*vr)["LT"] = "Long Text"; // 10240 max
- (*vr)["OB"] = "Other Byte String";
- (*vr)["OW"] = "Other Word String";
- (*vr)["PN"] = "Person Name";
- (*vr)["SH"] = "Short String"; // 16 car max
- (*vr)["SL"] = "Signed Long";
- (*vr)["SQ"] = "Sequence of Items"; // Not Applicable
- (*vr)["SS"] = "Signed Short"; // 2 octets
- (*vr)["ST"] = "Short Text"; // 1024 car max
- (*vr)["TM"] = "Time"; // 16 car max
- (*vr)["UI"] = "Unique Identifier"; // 64 car max
- (*vr)["UN"] = "Unknown";
- (*vr)["UT"] = "Unlimited Text"; // 2 puissance 32 -1 car max
- (*vr)["UL"] = "Unsigned Long "; // 4 octets fixe
- (*vr)["US"] = "Unsigned Short "; // 2 octets fixe
- dicom_vr = vr;
+//-----------------------------------------------------------------------------
+// Print
+
+// see gdcmParser.cxx
+//-----------------------------------------------------------------------------
+// Public
+/**
+ * \ingroup gdcmHeader
+ * \brief This predicate, based on hopefully reasonable heuristics,
+ * decides whether or not the current gdcmParser was properly parsed
+ * and contains the mandatory information for being considered as
+ * a well formed and usable Dicom/Acr File.
+ * @return true when gdcmParser is the one of a reasonable Dicom/Acr file,
+ * false otherwise.
+ */
+bool gdcmHeader::IsReadable(void) {
+ if(!gdcmParser::IsReadable()) {
+ return(false);
+ }
+ std::string res = GetEntryByNumber(0x0028, 0x0005);
+ if ( res != GDCM_UNFOUND && atoi(res.c_str()) > 4 )
+ return false; // Image Dimensions
+ if ( !GetHeaderEntryByNumber(0x0028, 0x0100) )
+ return false; // "Bits Allocated"
+ if ( !GetHeaderEntryByNumber(0x0028, 0x0101) )
+ return false; // "Bits Stored"
+ if ( !GetHeaderEntryByNumber(0x0028, 0x0102) )
+ return false; // "High Bit"
+ if ( !GetHeaderEntryByNumber(0x0028, 0x0103) )
+ return false; // "Pixel Representation"
+ return true;
}
/**
* \ingroup gdcmHeader
- * \brief La seule maniere sure que l'on aie pour determiner
- * si on est en LITTLE_ENDIAN, BIG-ENDIAN,
- * BAD-LITTLE-ENDIAN, BAD-BIG-ENDIAN
- * est de trouver l'element qui donne la longueur d'un 'GROUP'
- * (on sait que la longueur de cet element vaut 0x00000004)
- * et de regarder comment cette longueur est codee en memoire
- *
- * Le probleme vient de ce que parfois, il n'y en a pas ...
- *
- * On fait alors le pari qu'on a a faire a du LITTLE_ENDIAN propre.
- * (Ce qui est la norme -pas respectee- depuis ACR-NEMA)
- * Si ce n'est pas le cas, on ne peut rien faire.
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a JPEGBaseLineProcess1 one.
*
- * (il faudrait avoir des fonctions auxquelles
- * on passe le code Swap en parametre, pour faire des essais 'manuels')
+ * @return True when JPEGBaseLineProcess1found. False in all other cases.
*/
-void gdcmHeader::CheckSwap()
-{
- guint32 s;
- guint32 x=4; // x : pour ntohs
- bool net2host; // true when HostByteOrder is the same as NetworkByteOrder
-
- int lgrLue;
- char * entCur;
- char deb[HEADER_LENGHT_TO_READ];
-
- // First, compare HostByteOrder and NetworkByteOrder in order to
- // determine if we shall need to swap bytes (i.e. the Endian type).
- if (x==ntohs(x))
- net2host = true;
- else
- net2host = false;
-
- // The easiest case is the one of a DICOM header, since it possesses a
- // file preamble where it suffice to look for the sting "DICM".
- lgrLue = fread(deb, 1, HEADER_LENGHT_TO_READ, fp);
-
- entCur = deb + 128;
- if(memcmp(entCur, "DICM", (size_t)4) == 0) {
- filetype = TrueDicom;
- dbg.Verbose(0, "gdcmHeader::CheckSwap:", "looks like DICOM Version3");
- } else {
- filetype = Unknown;
- dbg.Verbose(0, "gdcmHeader::CheckSwap:", "not a DICOM Version3 file");
- }
-
- if(filetype == TrueDicom) {
- // Next, determine the value representation (VR). Let's skip to the
- // first element (0002, 0000) and check there if we find "UL", in
- // which case we (almost) know it is explicit VR.
- // WARNING: if it happens to be implicit VR then what we will read
- // is the length of the group. If this ascii representation of this
- // length happens to be "UL" then we shall believe it is explicit VR.
- // FIXME: in order to fix the above warning, we could read the next
- // element value (or a couple of elements values) in order to make
- // sure we are not commiting a big mistake.
- // We need to skip :
- // * the 128 bytes of File Preamble (often padded with zeroes),
- // * the 4 bytes of "DICM" string,
- // * the 4 bytes of the first tag (0002, 0000),
- // i.e. a total of 136 bytes.
- entCur = deb + 136;
- if(memcmp(entCur, "UL", (size_t)2) == 0) {
- filetype = ExplicitVR;
- dbg.Verbose(0, "gdcmHeader::CheckSwap:",
- "explicit Value Representation");
- } else {
- filetype = ImplicitVR;
- dbg.Verbose(0, "gdcmHeader::CheckSwap:",
- "not an explicit Value Representation");
- }
-
- if (net2host) {
- sw = 4321;
- dbg.Verbose(0, "gdcmHeader::CheckSwap:",
- "HostByteOrder != NetworkByteOrder");
- } else {
- sw = 0;
- dbg.Verbose(0, "gdcmHeader::CheckSwap:",
- "HostByteOrder = NetworkByteOrder");
- }
-
- // Position the file position indicator at first tag (i.e.
- // after the file preamble and the "DICM" string).
- rewind(fp);
- fseek (fp, 132L, SEEK_SET);
- return;
- } // End of TrueDicom
-
- // Alas, this is not a DicomV3 file and whatever happens there is no file
- // preamble. We can reset the file position indicator to where the data
- // is (i.e. the beginning of the file).
- rewind(fp);
-
- // Our next best chance would be to be considering a 'clean' ACR/NEMA file.
- // By clean we mean that the length of the first tag is written down.
- // If this is the case and since the length of the first group HAS to be
- // four (bytes), then determining the proper swap code is straightforward.
-
- entCur = deb + 4;
- s = str2num(entCur, int);
-
- switch (s) {
- case 0x00040000 :
- sw=3412;
- filetype = ACR;
- return;
- case 0x04000000 :
- sw=4321;
- filetype = ACR;
- return;
- case 0x00000400 :
- sw=2143;
- filetype = ACR;
- return;
- case 0x00000004 :
- sw=0;
- filetype = ACR;
- return;
- default :
- dbg.Verbose(0, "gdcmHeader::CheckSwap:",
- "ACE/NEMA unfound swap info (time to raise bets)");
- }
-
- // We are out of luck. It is not a DicomV3 nor a 'clean' ACR/NEMA file.
- // It is time for despaired wild guesses. So, let's assume this file
- // happens to be 'dirty' ACR/NEMA, i.e. the length of the group it
- // not present. Then the only info we have is the net2host one.
- //FIXME Si c'est du RAW, ca degagera + tard
-
- if (! net2host )
- sw = 0;
- else
- sw = 4321;
- return;
+bool gdcmHeader::IsJPEGBaseLineProcess1TransferSyntax(void) {
+ gdcmHeaderEntry* Element = GetHeaderEntryByNumber(0x0002, 0x0010);
+ if ( !Element )
+ return false;
+ LoadHeaderEntrySafe(Element);
+
+ std::string Transfer = Element->GetValue();
+ if ( Transfer == "1.2.840.10008.1.2.4.50" )
+ return true;
+ return false;
}
/**
- * \ingroup gdcmHeader
- * \brief recupere la longueur d'un champ DICOM.
- * Preconditions:
- * 1/ le fichier doit deja avoir ete ouvert,
- * 2/ CheckSwap() doit avoir ete appele
- * 3/ la partie 'group' ainsi que la partie 'elem'
- * de l'acr_element doivent avoir ete lues.
- *
- * ACR-NEMA : we allways get
- * GroupNumber (2 Octets)
- * ElementNumber (2 Octets)
- * ElementSize (4 Octets)
- * DICOM en implicit Value Representation :
- * GroupNumber (2 Octets)
- * ElementNumber (2 Octets)
- * ElementSize (4 Octets)
- *
- * DICOM en explicit Value Representation :
- * GroupNumber (2 Octets)
- * ElementNumber (2 Octets)
- * ValueRepresentation (2 Octets)
- * ElementSize (2 Octets)
- *
- * ATTENTION : dans le cas ou ValueRepresentation = OB, OW, SQ, UN
- * GroupNumber (2 Octets)
- * ElementNumber (2 Octets)
- * ValueRepresentation (2 Octets)
- * zone reservee (2 Octets)
- * ElementSize (4 Octets)
+ * \ingroup gdcmHeader
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a JPEGExtendedProcess2-4 one.
*
- * @param sw code swap
- * @param skippedLength pointeur sur nombre d'octets que l'on a saute qd
- * la lecture est finie
- * @param longueurLue pointeur sur longueur (en nombre d'octets)
- * effectivement lue
- * @return longueur retenue pour le champ
+ * @return True when JPEGExtendedProcess2-4 found. False in all other cases.
*/
-
-void gdcmHeader::FindVR( ElValue *ElVal) {
- char VR[3];
- int lgrLue;
- long PositionOnEntry = ftell(fp);
-
- if (filetype != ExplicitVR)
- return;
-
- lgrLue=fread (&VR, (size_t)2,(size_t)1, fp);
- VR[2]=0;
-
- // Warning: we believe this is explicit VR (Value Representation) because
- // we used a heuristic that found "UL" in the first tag. Alas this
- // doesn't guarantee that all the tags will be in explicit VR. In some
- // cases (see e-film filtered files) one finds implicit VR tags mixed
- // within an explicit VR file. Hence we make sure the present tag
- // is in explicit VR and try to fix things if it happens not to be
- // the case.
-
- // FIXME There should be only one occurence returned. Avoid the
- // first extraction by calling proper method.
- VRAtr FoundVR = dicom_vr->find(string(VR))->first;
- if ( ! FoundVR.empty()) {
- ElVal->SetVR(FoundVR);
- return;
- }
-
- // We thought this was explicit VR, but we end up with an
- // implicit VR tag. Let's backtrack.
- ElVal->SetVR("Implicit");
- fseek(fp, PositionOnEntry, SEEK_SET);
+bool gdcmHeader::IsJPEGExtendedProcess2_4TransferSyntax(void) {
+ gdcmHeaderEntry* Element = GetHeaderEntryByNumber(0x0002, 0x0010);
+ if ( !Element )
+ return false;
+ LoadHeaderEntrySafe(Element);
+ return ( Element->GetValue() == "1.2.840.10008.1.2.4.51" );
}
-void gdcmHeader::FindLength( ElValue * ElVal) {
- guint32 length32;
- guint16 length16;
-
- if (filetype == ExplicitVR) {
- string vr = ElVal->GetVR();
- if ( (vr != "Implicit")
- && ( (vr=="OB") || (vr=="OW") || (vr=="SQ") || (vr=="UN") ) ) {
-
- // The following two bytes are reserved, so we skip them,
- // and we proceed on reading the length on 4 bytes.
- fseek(fp, 2L,SEEK_CUR);
- length32 = ReadInt32();
-
- } else {
- // Length is encoded on 2 bytes.
- length16 = ReadInt16();
-
- if ( length16 == 0xffff) {
- length32 = 0;
- } else {
- length32 = length16;
- }
- }
- } else {
- // Either implicit VR or an explicit VR that (at least for this
- // element) lied a little bit. Length is on 4 bytes.
- length32 = ReadInt32();
- }
-
- // Traitement des curiosites sur la longueur
- if ( length32 == 0xffffffff)
- length32=0;
-
- ElVal->SetLength(length32);
+/**
+ * \ingroup gdcmHeader
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a JPEGExtendeProcess3-5 one.
+ *
+ * @return True when JPEGExtendedProcess3-5 found. False in all other cases.
+ */
+bool gdcmHeader::IsJPEGExtendedProcess3_5TransferSyntax(void) {
+ gdcmHeaderEntry* Element = GetHeaderEntryByNumber(0x0002, 0x0010);
+ if ( !Element )
+ return false;
+ LoadHeaderEntrySafe(Element);
+
+ std::string Transfer = Element->GetValue();
+ if ( Transfer == "1.2.840.10008.1.2.4.52" )
+ return true;
+ return false;
}
+/**
+ * \ingroup gdcmHeader
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a JPEGSpectralSelectionProcess6-8 one.
+ *
+ * @return True when JPEGSpectralSelectionProcess6-8 found. False in all
+ * other cases.
+ */
+bool gdcmHeader::IsJPEGSpectralSelectionProcess6_8TransferSyntax(void) {
+ gdcmHeaderEntry* Element = GetHeaderEntryByNumber(0x0002, 0x0010);
+ if ( !Element )
+ return false;
+ LoadHeaderEntrySafe(Element);
+
+ std::string Transfer = Element->GetValue();
+ if ( Transfer == "1.2.840.10008.1.2.4.53" )
+ return true;
+ return false;
+}
/**
* \ingroup gdcmHeader
- * \brief remet les octets dans un ordre compatible avec celui du processeur
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a RLE Lossless one.
+ *
+ * @return True when RLE Lossless found. False in all
+ * other cases.
+ */
+bool gdcmHeader::IsRLELossLessTransferSyntax(void) {
+ gdcmHeaderEntry* Element = GetHeaderEntryByNumber(0x0002, 0x0010);
+ if ( !Element )
+ return false;
+ LoadHeaderEntrySafe(Element);
+
+ std::string Transfer = Element->GetValue();
+ if ( Transfer == "1.2.840.10008.1.2.5" ) {
+ return true;
+ }
+ return false;
+}
- * @return longueur retenue pour le champ
+/**
+ * \ingroup gdcmHeader
+ * \brief Determines if Transfer Syntax was already encountered
+ * and if it corresponds to a JPEG Lossless one.
+ *
+ * @return True when RLE Lossless found. False in all
+ * other cases.
*/
-guint32 gdcmHeader::SwapLong(guint32 a) {
- // FIXME: il pourrait y avoir un pb pour les entiers negatifs ...
- switch (sw) {
- case 0 :
- break;
- case 4321 :
- a=( ((a<<24) & 0xff000000) | ((a<<8) & 0x00ff0000) |
- ((a>>8) & 0x0000ff00) | ((a>>24) & 0x000000ff) );
- break;
-
- case 3412 :
- a=( ((a<<16) & 0xffff0000) | ((a>>16) & 0x0000ffff) );
- break;
-
- case 2143 :
- a=( ((a<<8) & 0xff00ff00) | ((a>>8) & 0x00ff00ff) );
- break;
- default :
- dbg.Error(" gdcmHeader::SwapLong : unset swap code");
- a=0;
- }
- return(a);
+bool gdcmHeader::IsJPEGLossless(void) {
+ gdcmHeaderEntry* Element = GetHeaderEntryByNumber(0x0002, 0x0010);
+ // faire qq chose d'intelligent a la place de ça
+ if ( !Element )
+ return false;
+ LoadHeaderEntrySafe(Element);
+
+ const char * Transfert = Element->GetValue().c_str();
+ if ( memcmp(Transfert+strlen(Transfert)-2 ,"70",2)==0) return true;
+ if ( memcmp(Transfert+strlen(Transfert)-2 ,"55",2)==0) return true;
+ if (Element->GetValue() == "1.2.840.10008.1.2.4.57") return true;
+
+ return false;
}
/**
* \ingroup gdcmHeader
- * \brief remet les octets dans un ordre compatible avec celui du processeur
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a JPEG200 one.0
+ *
+ * @return True when JPEG2000 (Lossly or LossLess) found. False in all
+ * other cases.
+ */
+bool gdcmHeader::IsJPEG2000(void) {
+ gdcmHeaderEntry* Element = GetHeaderEntryByNumber(0x0002, 0x0010);
+ if ( !Element )
+ return false;
+ LoadHeaderEntrySafe(Element);
+
+ std::string Transfer = Element->GetValue();
+ if ( (Transfer == "1.2.840.10008.1.2.4.90")
+ || (Transfer == "1.2.840.10008.1.2.4.91") )
+ return true;
+ return false;
+}
- * @return longueur retenue pour le champ
+/**
+ * \ingroup gdcmHeader
+ * \brief Predicate for dicom version 3 file.
+ * @return True when the file is a dicom version 3.
*/
-guint16 gdcmHeader::SwapShort(guint16 a) {
- if ( (sw==4321) || (sw==2143) )
- a =(((a<<8) & 0x0ff00) | ((a>>8)&0x00ff));
- return (a);
+bool gdcmHeader::IsDicomV3(void) {
+ // Checking if Transfert Syntax exists is enough
+ return (GetHeaderEntryByNumber(0x0002, 0x0010) != NULL);
}
-void gdcmHeader::SkipElementValue(ElValue * ElVal) {
- //FIXME don't dump the returned value
- (void)fseek(fp, (long)ElVal->GetLength(), SEEK_CUR);
+/**
+ * \ingroup gdcmHeader
+ * \brief Retrieve the number of columns of image.
+ * @return The encountered size when found, 0 by default.
+ * 0 means the file is NOT USABLE. The caller will have to check
+ */
+int gdcmHeader::GetXSize(void) {
+ std::string StrSize;
+ StrSize = GetEntryByNumber(0x0028,0x0011);
+ if (StrSize == GDCM_UNFOUND)
+ return 0;
+ return atoi(StrSize.c_str());
}
-void gdcmHeader::LoadElementValue(ElValue * ElVal) {
- size_t item_read;
- guint16 group = ElVal->GetGroup();
- guint16 elem = ElVal->GetElement();
- string vr = ElVal->GetVR();
- guint32 length = ElVal->GetLength();
- fseek(fp, (long)ElVal->GetOffset(), SEEK_SET);
-
- // Sequences not treated yet !
- if( vr == "SQ" ) {
- SkipElementValue(ElVal);
- ElVal->SetLength(0);
- return;
- }
- // A sequence "contains" a set of tags (called items). It looks like
- // the last tag of a sequence (the one that terminates the sequence)
- // has a group of 0xfffe (with a dummy length).
- if( group == 0xfffe) {
- SkipElementValue(ElVal);
- ElVal->SetLength(0);
- return;
- }
-
- if ( IsAnInteger(group, elem, vr, length) ) {
- guint32 NewInt;
- if( length == 2 ) {
- NewInt = ReadInt16();
- } else if( length == 4 ) {
- NewInt = ReadInt32();
- } else
- dbg.Error(true, "LoadElementValue: Inconsistency when reading Int.");
-
- //FIXME: make the following an util fonction
- ostringstream s;
- s << NewInt;
- ElVal->SetValue(s.str());
- return;
- }
-
- // FIXME The exact size should be length if we move to strings or whatever
- char* NewValue = (char*)g_malloc(length+1);
- if( !NewValue) {
- dbg.Verbose(1, "LoadElementValue: Failed to allocate NewValue");
- return;
- }
- NewValue[length]= 0;
-
- // FIXME les elements trop long (seuil a fixer a la main) ne devraient
- // pas etre charge's !!!! Voir TODO.
- item_read = fread(NewValue, (size_t)length, (size_t)1, fp);
- if ( item_read != 1 ) {
- g_free(NewValue);
- Error::FileReadError(fp, "gdcmHeader::LoadElementValue");
- ElVal->SetValue("gdcm::UnRead");
- return;
- }
- ElVal->SetValue(NewValue);
+/**
+ * \ingroup gdcmHeader
+ * \brief Retrieve the number of lines of image.
+ * \warning The defaulted value is 1 as opposed to gdcmHeader::GetXSize()
+ * @return The encountered size when found, 1 by default
+ * (The file contains a Signal, not an Image).
+ */
+int gdcmHeader::GetYSize(void) {
+ std::string StrSize = GetEntryByNumber(0x0028,0x0010);
+ if (StrSize != GDCM_UNFOUND)
+ return atoi(StrSize.c_str());
+ if ( IsDicomV3() )
+ return 0;
+ else
+ // The Rows (0028,0010) entry was optional for ACR/NEMA. It might
+ // hence be a signal (1d image). So we default to 1:
+ return 1;
}
+/**
+ * \ingroup gdcmHeader
+ * \brief Retrieve the number of planes of volume or the number
+ * of frames of a multiframe.
+ * \warning When present we consider the "Number of Frames" as the third
+ * dimension. When absent we consider the third dimension as
+ * being the "Planes" tag content.
+ * @return The encountered size when found, 1 by default (single image).
+ */
+int gdcmHeader::GetZSize(void) {
+ // Both DicomV3 and ACR/Nema consider the "Number of Frames"
+ // as the third dimension.
+ std::string StrSize = GetEntryByNumber(0x0028,0x0008);
+ if (StrSize != GDCM_UNFOUND)
+ return atoi(StrSize.c_str());
+
+ // We then consider the "Planes" entry as the third dimension [we
+ // cannot retrieve by name since "Planes tag is present both in
+ // IMG (0028,0012) and OLY (6000,0012) sections of the dictionary].
+ StrSize = GetEntryByNumber(0x0028,0x0012);
+ if (StrSize != GDCM_UNFOUND)
+ return atoi(StrSize.c_str());
+ return 1;
+}
-guint16 gdcmHeader::ReadInt16(void) {
- guint16 g;
- size_t item_read;
- item_read = fread (&g, (size_t)2,(size_t)1, fp);
- if ( item_read != 1 )
- throw Error::FileReadError(fp, "gdcmHeader::ReadInt16");
- g = SwapShort(g);
- return g;
+/**
+ * \ingroup gdcmHeader
+ * \brief Retrieve the number of Bits Stored (actually used)
+ * (as opposite to number of Bits Allocated)
+ *
+ * @return The encountered number of Bits Stored, 0 by default.
+ * 0 means the file is NOT USABLE. The caller has to check it !
+ */
+int gdcmHeader::GetBitsStored(void) {
+ std::string StrSize = GetEntryByNumber(0x0028,0x0101);
+ if (StrSize == GDCM_UNFOUND)
+ return 0; // It's supposed to be mandatory
+ // the caller will have to check
+ return atoi(StrSize.c_str());
}
-guint32 gdcmHeader::ReadInt32(void) {
- guint32 g;
- size_t item_read;
- item_read = fread (&g, (size_t)4,(size_t)1, fp);
- if ( item_read != 1 )
- throw Error::FileReadError(fp, "gdcmHeader::ReadInt32");
- g = SwapLong(g);
- return g;
+/**
+ * \ingroup gdcmHeader
+ * \brief Retrieve the number of Bits Allocated
+ * (8, 12 -compacted ACR-NEMA files, 16, ...)
+ *
+ * @return The encountered number of Bits Allocated, 0 by default.
+ * 0 means the file is NOT USABLE. The caller has to check it !
+ */
+int gdcmHeader::GetBitsAllocated(void) { // TODO : move to gdcmFile
+ std::string StrSize = GetEntryByNumber(0x0028,0x0100);
+ if (StrSize == GDCM_UNFOUND)
+ return 0; // It's supposed to be mandatory
+ // the caller will have to check
+ return atoi(StrSize.c_str());
}
/**
* \ingroup gdcmHeader
- * \brief Read the next tag without loading it's value
- * @return On succes the newly created ElValue, NULL on failure.
+ * \brief Retrieve the number of Samples Per Pixel
+ * (1 : gray level, 3 : RGB -1 or 3 Planes-)
+ *
+ * @return The encountered number of Samples Per Pixel, 1 by default.
+ * (Gray level Pixels)
*/
+int gdcmHeader::GetSamplesPerPixel(void) { // TODO : move to gdcmFile
+ std::string StrSize = GetEntryByNumber(0x0028,0x0002);
+ if (StrSize == GDCM_UNFOUND)
+ return 1; // Well, it's supposed to be mandatory ...
+ // but sometimes it's missing : we assume Gray pixels
+ return atoi(StrSize.c_str());
+}
-ElValue * gdcmHeader::ReadNextElement(void) {
- guint16 g;
- guint16 n;
- ElValue * NewElVal;
-
- try {
- g = ReadInt16();
- n = ReadInt16();
- }
- catch ( Error::FileReadError ) {
- // We reached the EOF (or an error occured) and header parsing
- // has to be considered as finished.
- return (ElValue *)0;
- }
-
- // Find out if the tag we encountered is in the dictionaries:
- gdcmDictEntry * NewTag = IsInDicts(g, n);
- if (!NewTag)
- NewTag = new gdcmDictEntry(g, n, "Unknown", "Unknown", "Unknown");
-
- NewElVal = new ElValue(NewTag);
- if (!NewElVal) {
- dbg.Verbose(1, "ReadNextElement: failed to allocate ElValue");
- return (ElValue*)0;
- }
-
- FindVR(NewElVal);
- FindLength(NewElVal);
- NewElVal->SetOffset(ftell(fp));
- return NewElVal;
+/**
+ * \ingroup gdcmHeader
+ * \brief Retrieve the Planar Configuration for RGB images
+ * (0 : RGB Pixels , 1 : R Plane + G Plane + B Plane)
+ *
+ * @return The encountered Planar Configuration, 0 by default.
+ */
+int gdcmHeader::GetPlanarConfiguration(void) {
+ std::string StrSize = GetEntryByNumber(0x0028,0x0006);
+ if (StrSize == GDCM_UNFOUND)
+ return 0;
+ return atoi(StrSize.c_str());
}
-bool gdcmHeader::IsAnInteger(guint16 group, guint16 element,
- string vr, guint32 length ) {
- // When we have some semantics on the element we just read, and we
- // a priori now we are dealing with an integer, then we can swap it's
- // element value properly.
- if ( element == 0 ) { // This is the group length of the group
- if (length != 4)
- dbg.Error("gdcmHeader::ShouldBeSwaped", "should be four");
- return true;
- }
-
- if ( group % 2 != 0 )
- // We only have some semantics on documented elements, which are
- // the even ones.
- return false;
-
- if ( (length != 4) && ( length != 2) )
- // Swapping only make sense on integers which are 2 or 4 bytes long.
- return false;
-
- if ( (vr == "UL") || (vr == "US") || (vr == "SL") || (vr == "SS") )
- return true;
-
- if ( (group == 0x0028) && (element == 0x0005) )
- // This tag is retained from ACR/NEMA
- // CHECKME Why should "Image Dimensions" be a single integer ?
- return true;
-
- if ( (group == 0x0028) && (element == 0x0200) )
- // This tag is retained from ACR/NEMA
- return true;
-
- return false;
+/**
+ * \ingroup gdcmHeader
+ * \brief Return the size (in bytes) of a single pixel of data.
+ * @return The size in bytes of a single pixel of data; 0 by default
+ * 0 means the file is NOT USABLE; the caller will have to check
+ */
+int gdcmHeader::GetPixelSize(void) {
+ std::string PixelType = GetPixelType();
+ if (PixelType == "8U" || PixelType == "8S")
+ return 1;
+ if (PixelType == "16U" || PixelType == "16S")
+ return 2;
+ if (PixelType == "32U" || PixelType == "32S")
+ return 4;
+ dbg.Verbose(0, "gdcmHeader::GetPixelSize: Unknown pixel type");
+ return 0;
}
/**
* \ingroup gdcmHeader
- * \brief Recover the offset (from the beginning of the file) of the pixels.
+ * \brief Build the Pixel Type of the image.
+ * Possible values are:
+ * - 8U unsigned 8 bit,
+ * - 8S signed 8 bit,
+ * - 16U unsigned 16 bit,
+ * - 16S signed 16 bit,
+ * - 32U unsigned 32 bit,
+ * - 32S signed 32 bit,
+ * \warning 12 bit images appear as 16 bit.
+ * \ 24 bit images appear as 8 bit
+ * @return 0S if nothing found. NOT USABLE file. The caller has to check
*/
-size_t gdcmHeader::GetPixelOffset(void) {
- // If this file complies with the norm we should encounter the
- // "Image Location" tag (0x0028, 0x0200). This tag contains the
- // the group that contains the pixel data (hence the "Pixel Data"
- // is found by indirection through the "Image Location").
- // Inside the group pointed by "Image Location" the searched element
- // is conventionally the element 0x0010 (when the norm is respected).
- // When the "Image Location" is absent we default to group 0x7fe0.
- guint16 grPixel;
- guint16 numPixel;
- string ImageLocation = GetPubElValByName("Image Location");
- if ( ImageLocation == "UNFOUND" ) {
- grPixel = 0x7FE0;
- } else {
- grPixel = (guint16) atoi( ImageLocation.c_str() );
- }
- if (grPixel != 0x7fe0)
- // FIXME is this still necessary ?
- // Now, this looks like an old dirty fix for Philips imager
- numPixel = 0x1010;
- else
- numPixel = 0x0010;
- ElValue* PixelElement = PubElVals.GetElement(grPixel, numPixel);
- if (PixelElement)
- return PixelElement->GetOffset();
- else
- return 0;
+std::string gdcmHeader::GetPixelType(void) {
+ std::string BitsAlloc = GetEntryByNumber(0x0028, 0x0100); // Bits Allocated
+ if (BitsAlloc == GDCM_UNFOUND) {
+ dbg.Verbose(0, "gdcmHeader::GetPixelType: unfound Bits Allocated");
+ BitsAlloc = std::string("16");
+ }
+ if (BitsAlloc == "12") // It will be unpacked
+ BitsAlloc = std::string("16");
+ else if (BitsAlloc == "24") // (in order no to be messed up
+ BitsAlloc = std::string("8"); // by old RGB images)
+
+ std::string Signed = GetEntryByNumber(0x0028, 0x0103); // "Pixel Representation"
+ if (Signed == GDCM_UNFOUND) {
+ dbg.Verbose(0, "gdcmHeader::GetPixelType: unfound Pixel Representation");
+ BitsAlloc = std::string("0");
+ }
+ if (Signed == "0")
+ Signed = std::string("U");
+ else
+ Signed = std::string("S");
+
+ return( BitsAlloc + Signed);
}
-gdcmDictEntry * gdcmHeader::IsInDicts(guint32 group, guint32 element) {
- gdcmDictEntry * found = (gdcmDictEntry*)0;
- if (!RefPubDict && !RefShaDict) {
- //FIXME build a default dictionary !
- printf("FIXME in gdcmHeader::IsInDicts\n");
- }
- if (RefPubDict) {
- found = RefPubDict->GetTag(group, element);
- if (found)
- return found;
- }
- if (RefShaDict) {
- found = RefShaDict->GetTag(group, element);
- if (found)
- return found;
- }
- return found;
+
+/**
+ * \ingroup gdcmHeader
+ * \brief Recover the offset (from the beginning of the file)
+ * \ of *image* pixels (not *icone image* pixels, if any !)
+ */
+size_t gdcmHeader::GetPixelOffset(void) {
+ //
+ // If the element (0x0088,0x0200) 'icone image sequence' is found
+ // (grPixel,numPixel) is stored twice : the first one for the icon
+ // the second one for the image ...
+ // pb : sometimes , (0x0088,0x0200) exists, but doesn't contain *anything*
+ // see gdcmData/MxTwinLossLess.dcm ...
+
+ //std::string icone = GetEntryByNumber(0x0088,0x0200); //icone image sequence
+
+ IterHT it = GetHeaderEntrySameNumber(GrPixel,NumPixel);
+ TagKey key = gdcmDictEntry::TranslateToKey(GrPixel,NumPixel);
+ gdcmHeaderEntry* PixelElement;
+ if (countGrPixel == 1)
+ PixelElement = (it.first)->second;
+ else {
+ PixelElement = (++it.first)->second; // hope there are no more than 2 !
+ }
+ if (PixelElement) {
+ return PixelElement->GetOffset();
+ } else {
+ return 0;
+ std::cout << "Big trouble : Pixel Element ("
+ << std::hex << GrPixel<<","<< NumPixel<< ") NOT found"
+ << std::endl;
+ }
+}
+// TODO : unify those two (previous one and next one)
+/**
+ * \ingroup gdcmHeader
+ * \brief Recover the pixel area length (in Bytes)
+ * @return Pixel Element Length, as stored in the header
+ * (NOT the memory space necessary to hold the Pixels
+ * - in case of embeded compressed image-)
+ * 0 : NOT USABLE file. The caller has to check.
+ */
+size_t gdcmHeader::GetPixelAreaLength(void) {
+
+ IterHT it = GetHeaderEntrySameNumber(GrPixel,NumPixel);
+ TagKey key = gdcmDictEntry::TranslateToKey(GrPixel,NumPixel);
+ gdcmHeaderEntry* PixelElement;
+
+ if (countGrPixel==1)
+ PixelElement = (it.first)->second;
+ else
+ PixelElement = (++it.first)->second;
+
+ if (PixelElement) {
+ return PixelElement->GetLength();
+ } else {
+ std::cout << "Big trouble : Pixel Element ("
+ << std::hex << GrPixel<<","<< NumPixel<< ") NOT found"
+ << std::endl;
+ return 0;
+ }
}
-string gdcmHeader::GetPubElValByNumber(guint16 group, guint16 element) {
- return PubElVals.GetElValue(group, element);
+/**
+ * \ingroup gdcmHeader
+ * \brief tells us if LUT are used
+ * \warning Right now, 'Segmented xxx Palette Color Lookup Table Data'
+ * \ are NOT considered as LUT, since nobody knows
+ * \ how to deal with them
+ * @return a Boolean
+ */
+bool gdcmHeader::HasLUT(void) {
+
+ // Check the presence of the LUT Descriptors
+
+ // LutDescriptorRed
+ if ( !GetHeaderEntryByNumber(0x0028,0x1101) )
+ return false;
+ // LutDescriptorGreen
+ if ( !GetHeaderEntryByNumber(0x0028,0x1102) )
+ return false;
+ // LutDescriptorBlue
+ if ( !GetHeaderEntryByNumber(0x0028,0x1103) )
+ return false;
+
+ // It is not enough :
+ // we check also
+
+ // Red Palette Color Lookup Table Data
+ if ( !GetHeaderEntryByNumber(0x0028,0x1201) )
+ return false;
+ // Green Palette Color Lookup Table Data
+ if ( !GetHeaderEntryByNumber(0x0028,0x1202) )
+ return false;
+ // Blue Palette Color Lookup Table Data
+ if ( !GetHeaderEntryByNumber(0x0028,0x1203) )
+ return false;
+ return true;
}
-string gdcmHeader::GetPubElValByName(string TagName) {
- return PubElVals.GetElValue(TagName);
+/**
+ * \ingroup gdcmHeader
+ * \brief gets the info from 0028,1101 : Lookup Table Desc-Red
+ * \ else 0
+ * @return Lookup Table number of Bits , 0 by default
+ * \ when (0028,0004),Photometric Interpretation = [PALETTE COLOR ]
+ */
+int gdcmHeader::GetLUTNbits(void) {
+ std::vector<std::string> tokens;
+ //int LutLength;
+ //int LutDepth;
+ int LutNbits;
+ //Just hope Lookup Table Desc-Red = Lookup Table Desc-Red = Lookup Table Desc-Blue
+ // Consistency already checked in GetLUTLength
+ std::string LutDescription = GetEntryByNumber(0x0028,0x1101);
+ if (LutDescription == GDCM_UNFOUND)
+ return 0;
+ tokens.erase(tokens.begin(),tokens.end()); // clean any previous value
+ Tokenize (LutDescription, tokens, "\\");
+ //LutLength=atoi(tokens[0].c_str());
+ //LutDepth=atoi(tokens[1].c_str());
+ LutNbits=atoi(tokens[2].c_str());
+ tokens.clear();
+ return LutNbits;
}
+/**
+ * \ingroup gdcmHeader
+ * \brief builts Red/Green/Blue/Alpha LUT from Header
+ * \ when (0028,0004),Photometric Interpretation = [PALETTE COLOR ]
+ * \ and (0028,1101),(0028,1102),(0028,1102)
+ * \ - xxx Palette Color Lookup Table Descriptor - are found
+ * \ and (0028,1201),(0028,1202),(0028,1202)
+ * \ - xxx Palette Color Lookup Table Data - are found
+ * \warning does NOT deal with :
+ * \ 0028 1100 Gray Lookup Table Descriptor (Retired)
+ * \ 0028 1221 Segmented Red Palette Color Lookup Table Data
+ * \ 0028 1222 Segmented Green Palette Color Lookup Table Data
+ * \ 0028 1223 Segmented Blue Palette Color Lookup Table Data
+ * \ no known Dicom reader deals with them :-(
+ * @return a RGBA Lookup Table
+ */
+unsigned char * gdcmHeader::GetLUTRGBA(void) {
+// Not so easy : see
+// http://www.barre.nom.fr/medical/dicom2/limitations.html#Color%20Lookup%20Tables
+
+// if Photometric Interpretation # PALETTE COLOR, no LUT to be done
+ if (GetEntryByNumber(0x0028,0x0004) != "PALETTE COLOR ") {
+ return NULL;
+ }
+ int lengthR, debR, nbitsR;
+ int lengthG, debG, nbitsG;
+ int lengthB, debB, nbitsB;
+
+// Get info from Lut Descriptors
+// (the 3 LUT descriptors may be different)
+ std::string LutDescriptionR = GetEntryByNumber(0x0028,0x1101);
+ if (LutDescriptionR == GDCM_UNFOUND)
+ return NULL;
+ std::string LutDescriptionG = GetEntryByNumber(0x0028,0x1102);
+ if (LutDescriptionG == GDCM_UNFOUND)
+ return NULL;
+ std::string LutDescriptionB = GetEntryByNumber(0x0028,0x1103);
+ if (LutDescriptionB == GDCM_UNFOUND)
+ return NULL;
+
+ std::vector<std::string> tokens;
+
+ tokens.erase(tokens.begin(),tokens.end()); // clean any previous value
+ Tokenize (LutDescriptionR, tokens, "\\");
+ lengthR=atoi(tokens[0].c_str()); // Red LUT length in Bytes
+ debR =atoi(tokens[1].c_str()); // subscript of the first Lut Value
+ nbitsR =atoi(tokens[2].c_str()); // Lut item size (in Bits)
+ tokens.clear();
+
+ tokens.erase(tokens.begin(),tokens.end()); // clean any previous value
+ Tokenize (LutDescriptionG, tokens, "\\");
+ lengthG=atoi(tokens[0].c_str()); // Green LUT length in Bytes
+ debG =atoi(tokens[1].c_str()); // subscript of the first Lut Value
+ nbitsG =atoi(tokens[2].c_str()); // Lut item size (in Bits)
+ tokens.clear();
+
+ tokens.erase(tokens.begin(),tokens.end()); // clean any previous value
+ Tokenize (LutDescriptionB, tokens, "\\");
+ lengthB=atoi(tokens[0].c_str()); // Blue LUT length in Bytes
+ debB =atoi(tokens[1].c_str()); // subscript of the first Lut Value
+ nbitsB =atoi(tokens[2].c_str()); // Lut item size (in Bits)
+ tokens.clear();
+
+ // Load LUTs into memory, (as they were stored on disk)
+ unsigned char *lutR = (unsigned char *)
+ GetEntryVoidAreaByNumber(0x0028,0x1201);
+ unsigned char *lutG = (unsigned char *)
+ GetEntryVoidAreaByNumber(0x0028,0x1202);
+ unsigned char *lutB = (unsigned char *)
+ GetEntryVoidAreaByNumber(0x0028,0x1203);
+
+ if (!lutR || !lutG || !lutB ) {
+ return NULL;
+ }
+ // forge the 4 * 8 Bits Red/Green/Blue/Alpha LUT
+
+ unsigned char *LUTRGBA = (unsigned char *)calloc(1024,1); // 256 * 4 (R, G, B, Alpha)
+ if (!LUTRGBA) {
+ return NULL;
+ }
+ memset(LUTRGBA, 0, 1024);
+ // Bits Allocated
+ int nb;
+ std::string str_nb = GetEntryByNumber(0x0028,0x0100);
+ if (str_nb == GDCM_UNFOUND ) {
+ nb = 16;
+ } else {
+ nb = atoi(str_nb.c_str() );
+ }
+ int mult;
+
+ if (nbitsR==16 && nb==8) // when LUT item size is different than pixel size
+ mult=2; // high byte must be = low byte
+ else // See PS 3.3-2003 C.11.1.1.2 p 619
+ mult=1;
+
+ // if we get a black image, let's just remove the '+1'
+ // from 'i*mult+1' and check again
+ // if it works, we shall have to check the 3 Palettes
+ // to see which byte is ==0 (first one, or second one)
+ // and fix the code
+ // We give up the checking to avoid some (useless ?)overhead
+ // (optimistic asumption)
+ unsigned char *a;
+ int i;
+
+ a = LUTRGBA+0;
+ for(i=0;i<lengthR;i++) {
+ *a = lutR[i*mult+1];
+ a+=4;
+ }
+ a = LUTRGBA+1;
+ for(i=0;i<lengthG;i++) {
+ *a = lutG[i*mult+1];
+ a+=4;
+ }
+ a = LUTRGBA+2;
+ for(i=0;i<lengthB;i++) {
+ *a = lutB[i*mult+1];
+ a+=4;
+ }
+ a = LUTRGBA+3;
+ for(i=0;i<256;i++) {
+ *a = 1; // Alpha component
+ a+=4;
+ }
+
+ //How to free the now useless LUTs?
+ //free(LutR); free(LutB); free(LutG); // Seg Fault when used
+ return(LUTRGBA);
+}
+
/**
* \ingroup gdcmHeader
- * \brief Parses the header of the file but does NOT load element values.
+ * \brief gets the info from 0002,0010 : Transfert Syntax
+ * \ else 1.
+ * @return Transfert Syntax Name (as oposite to Transfert Syntax UID)
*/
-void gdcmHeader::ParseHeader(void) {
- ElValue * newElValue = (ElValue *)0;
-
- rewind(fp);
- CheckSwap();
- while ( (newElValue = ReadNextElement()) ) {
- SkipElementValue(newElValue);
- PubElVals.Add(newElValue);
- }
+std::string gdcmHeader::GetTransfertSyntaxName(void) {
+ // use the gdcmTS (TS : Transfert Syntax)
+ std::string TransfertSyntax = GetEntryByNumber(0x0002,0x0010);
+ if (TransfertSyntax == GDCM_UNFOUND) {
+ dbg.Verbose(0, "gdcmHeader::GetTransfertSyntaxName: unfound Transfert Syntax (0002,0010)");
+ return "Uncompressed ACR-NEMA";
+ }
+ // we do it only when we need it
+ gdcmTS * ts = gdcmGlobal::GetTS();
+ std::string tsName=ts->GetValue(TransfertSyntax);
+ //delete ts; // Seg Fault when deleted ?!
+ return tsName;
}
/**
- * \ingroup gdcmHeader
- * \brief Loads the element values of all the elements present in the
- * public tag based hash table.
+ * \ingroup gdcmFile
+ * \brief Sets the Pixel Area size in the Header
+ * --> not-for-rats function
+ *
+ * \warning WARNING doit-etre etre publique ?
+ * TODO : y aurait il un inconvenient à fusionner ces 2 fonctions
+ *
+ * @param ImageDataSize new Pixel Area Size
+ * warning : nothing else is checked
*/
-void gdcmHeader::LoadElements(void) {
- rewind(fp);
- TagElValueHT ht = PubElVals.GetTagHt();
- for (TagElValueHT::iterator tag = ht.begin(); tag != ht.end(); ++tag)
- LoadElementValue(tag->second);
+void gdcmHeader::SetImageDataSize(size_t ImageDataSize) {
+ std::string content1;
+ char car[20];
+
+ // Assumes HeaderEntry (GrPixel, NumPixel) is unique ...
+ // TODO deal with multiplicity (see gdcmData/icone.dcm)
+ sprintf(car,"%d",ImageDataSize);
+
+ gdcmHeaderEntry *a = GetHeaderEntryByNumber(GrPixel, NumPixel);
+ a->SetLength(ImageDataSize);
+
+ ImageDataSize+=8;
+ sprintf(car,"%d",ImageDataSize);
+ content1=car;
+ SetEntryByNumber(content1, GrPixel, NumPixel);
}
-void gdcmHeader::PrintPubElVal(ostream & os = std::cout) {
- PubElVals.Print(os);
+bool gdcmHeader::operator<(gdcmHeader &header)
+{
+ std::string s1,s2;
+
+ // Patient Name
+ s1=this->GetEntryByNumber(0x0010,0x0010);
+ s2=header.GetEntryByNumber(0x0010,0x0010);
+ if(s1 < s2)
+ return(true);
+ else if(s1 > s2)
+ return(false);
+ else
+ {
+ // Patient ID
+ s1=this->GetEntryByNumber(0x0010,0x0020);
+ s2=header.GetEntryByNumber(0x0010,0x0020);
+ if (s1 < s2)
+ return(true);
+ else if (s1 > s2)
+ return(1);
+ else
+ {
+ // Study Instance UID
+ s1=this->GetEntryByNumber(0x0020,0x000d);
+ s2=header.GetEntryByNumber(0x0020,0x000d);
+ if (s1 < s2)
+ return(true);
+ else if(s1 > s2)
+ return(false);
+ else
+ {
+ // Serie Instance UID
+ s1=this->GetEntryByNumber(0x0020,0x000e);
+ s2=header.GetEntryByNumber(0x0020,0x000e);
+ if (s1 < s2)
+ return(true);
+ else if(s1 > s2)
+ return(false);
+ }
+ }
+ }
+ return(false);
}
-void gdcmHeader::PrintPubDict(ostream & os) {
- RefPubDict->Print(os);
-}
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff