+}
+
+/**
+ * \ingroup gdcmHeader
+ * \brief Canonical destructor.
+ */
+gdcmHeader::~gdcmHeader (void) {
+}
+
+//-----------------------------------------------------------------------------
+// Print
+
+// see gdcmParser.cxx
+
+/**
+ * \ingroup gdcmHeader
+ * \brief Prints the Header Entries (Dicom Elements)
+ * from the chained list
+ * and skips the elements belonging to a SeQuence
+ * @return
+ */
+void gdcmHeader::PrintEntryNoSQ(std::ostream & os) {
+
+ int depth;
+ for (ListTag::iterator i = listEntries.begin();
+ i != listEntries.end();
+ ++i)
+ {
+ depth= (*i)->GetSQDepthLevel();
+ if ( depth != 0 /*|| (*i)->GetVR() =="SQ" */){
+ continue;
+ }
+ (*i)->SetPrintLevel(printLevel);
+ (*i)->Print(os);
+ }
+}
+
+/**
+ * \ingroup gdcmHeader
+ * \brief Prints the Header Entries (Dicom Elements)
+ * from the chained list
+ * and indents the elements belonging to any SeQuence
+ * \warning : will be removed
+ * @return
+ */
+void gdcmHeader::PrintEntryNiceSQ(std::ostream & os) {
+ std::ostringstream tab;
+ tab << " ";
+
+ int depth;
+ for (ListTag::iterator i = listEntries.begin();
+ i != listEntries.end();
+ ++i) {
+ depth= (*i)->GetSQDepthLevel();
+ if (depth != 0) {
+ for (int k=0;k<depth;k++)
+ os << tab.str();
+ }
+ (*i)->SetPrintLevel(printLevel);
+ (*i)->Print(os);
+
+ } // end for
+}
+
+//-----------------------------------------------------------------------------
+// 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" i.e. 'Sign'
+ return true;
+}
+
+/**
+ * \ingroup gdcmHeader
+ * \brief Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a JPEGBaseLineProcess1 one.
+ * @return True when JPEGBaseLineProcess1found. False in all other cases.
+ */
+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 Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a JPEGExtendedProcess2-4 one.
+ * @return True when JPEGExtendedProcess2-4 found. False in all other cases.
+ */
+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" );
+}
+
+/**
+ * \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 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;
+}
+
+/**
+ * \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.
+ */
+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 Determines if the Transfer Syntax was already encountered
+ * and if it corresponds to a JPEG2000 one
+ * @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;
+}
+
+/**
+ * \ingroup gdcmHeader
+ * \brief Predicate for dicom version 3 file.
+ * @return True when the file is a dicom version 3.
+ */
+bool gdcmHeader::IsDicomV3(void) {
+ // Checking if Transfert Syntax exists is enough
+ // Anyway, it's to late check if the 'Preamble' was found ...
+ // And ... would it be a rich idea to check ?
+ // (some 'no Preamble' DICOM images exist !)
+ return (GetHeaderEntryByNumber(0x0002, 0x0010) != NULL);
+}
+
+/**
+ * \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());
+}
+
+/**
+ * \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 ACR-MEMA 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 ACR-NEMA "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
+ StrSize = GetEntryByNumber(0x0028,0x0012);
+ if (StrSize != GDCM_UNFOUND)
+ return atoi(StrSize.c_str());
+ return 1;
+}
+
+/**
+ * \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());
+}
+
+/**
+ * \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) {
+ 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 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) {
+ 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());
+}
+
+/**
+ * \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());
+}
+
+/**
+ * \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;
+ if (PixelType == "FD")
+ return 8;
+ dbg.Verbose(0, "gdcmHeader::GetPixelSize: Unknown pixel type");
+ return 0;
+}
+
+/**
+ * \ingroup gdcmHeader
+ * \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,
+ * - FD floating double 64 bits (Not kosher DICOM, but so usefull!)
+ * \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
+ */
+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 == "64") // )
+ return ("FD");
+ 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);
+}
+
+
+/**
+ * \ingroup gdcmHeader
+ * \brief Recover the offset (from the beginning of the file)
+ * of *image* pixels (not *icone image* pixels, if any !)
+ * @return Pixel Offset
+ */
+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 ...
+
+ /**
+ * \todo Clean me
+ *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 {
+#ifdef GDCM_DEBUG
+ std::cout << "Big trouble : Pixel Element ("
+ << std::hex << GrPixel<<","<< NumPixel<< ") NOT found"
+ << std::endl;
+#endif //GDCM_DEBUG
+ return 0;
+ }
+}
+// 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();