// gdcmHeader.cxx
//-----------------------------------------------------------------------------
#include "gdcmHeader.h"
-
-#include <stdio.h>
-#include <cerrno>
-/*// For nthos:
-#ifdef _MSC_VER
- #include <winsock.h>
-#else
- #include <netinet/in.h>
-#endif*/
-#include <cctype> // for isalpha
-
-/*#ifdef GDCM_NO_ANSI_STRING_STREAM
-# include <strstream>
-# define ostringstream ostrstream
-# else
-# include <sstream>
-#endif*/
-
+#include "gdcmGlobal.h"
#include "gdcmUtil.h"
+#include "gdcmDebug.h"
#include "gdcmTS.h"
+#include "gdcmValEntry.h"
-//-----------------------------------------------------------------------------
-// Refer to gdcmHeader::CheckSwap()
-//const unsigned int gdcmHeader::HEADER_LENGTH_TO_READ = 256;
-
-// Refer to gdcmHeader::SetMaxSizeLoadEntry()
-//const unsigned int gdcmHeader::MAX_SIZE_LOAD_ELEMENT_VALUE = 4096;
+#include <vector>
//-----------------------------------------------------------------------------
// 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
- *\TODO : may be we need one more bool,
- * to allow skipping the private elements while parsing the header
- * in order to save space
+ * \brief Constructor
+ * @param InFilename name of the file whose header we want to analyze
+ * @param exception_on_error whether we want to throw an exception or not
+ * @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
*/
gdcmHeader::gdcmHeader(const char *InFilename,
bool exception_on_error,
- bool enable_sequences ):
- gdcmParser(InFilename,exception_on_error,enable_sequences)
-{
+ bool enable_sequences,
+ bool ignore_shadow):
+ gdcmDocument(InFilename,exception_on_error,enable_sequences,ignore_shadow)
+{
+/*
+ typedef struct {
+ guint32 totalSQlength;
+ guint32 alreadyParsedlength;
+ } pileElem;
+*/
+
+ // 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;
+
}
/**
- * \ingroup gdcmHeader
- * \brief
- * @param exception_on_error
+ * \brief Constructor
+ * @param exception_on_error whether we want to throw an exception or not
*/
gdcmHeader::gdcmHeader(bool exception_on_error) :
- gdcmParser(exception_on_error)
+ gdcmDocument(exception_on_error)
{
}
//-----------------------------------------------------------------------------
// Print
+
//-----------------------------------------------------------------------------
// 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(!gdcmDocument::IsReadable()) {
+ return(false);
+ }
+ std::string res = GetEntryByNumber(0x0028, 0x0005);
+ if ( res != GDCM_UNFOUND && atoi(res.c_str()) > 4 )
+ return false; // Image Dimensions
+ if ( !GetDocEntryByNumber(0x0028, 0x0100) )
+ return false; // "Bits Allocated"
+ if ( !GetDocEntryByNumber(0x0028, 0x0101) )
+ return false; // "Bits Stored"
+ if ( !GetDocEntryByNumber(0x0028, 0x0102) )
+ return false; // "High Bit"
+ if ( !GetDocEntryByNumber(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);
+ gdcmDocEntry* Element = GetDocEntryByNumber(0x0002, 0x0010);
if ( !Element )
return false;
- LoadHeaderEntrySafe(Element);
+ LoadDocEntrySafe(Element);
- std::string Transfer = Element->GetValue();
+ std::string Transfer = ((gdcmValEntry *)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);
+ gdcmDocEntry* Element = GetDocEntryByNumber(0x0002, 0x0010);
if ( !Element )
return false;
- LoadHeaderEntrySafe(Element);
-
- std::string Transfer = Element->GetValue();
- if ( Transfer == "1.2.840.10008.1.2.4.51" )
- return true;
- return false;
+ LoadDocEntrySafe(Element);
+ return ( ((gdcmValEntry *)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);
+ gdcmDocEntry* Element = GetDocEntryByNumber(0x0002, 0x0010);
if ( !Element )
return false;
- LoadHeaderEntrySafe(Element);
+ LoadDocEntrySafe(Element);
- std::string Transfer = Element->GetValue();
+ std::string Transfer = ((gdcmValEntry *)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);
+ gdcmDocEntry* Element = GetDocEntryByNumber(0x0002, 0x0010);
if ( !Element )
return false;
- LoadHeaderEntrySafe(Element);
+ LoadDocEntrySafe(Element);
- std::string Transfer = Element->GetValue();
+ std::string Transfer = ((gdcmValEntry *)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);
+ gdcmDocEntry* Element = GetDocEntryByNumber(0x0002, 0x0010);
if ( !Element )
return false;
- LoadHeaderEntrySafe(Element);
+ LoadDocEntrySafe(Element);
- std::string Transfer = Element->GetValue();
- if ( Transfer == "1.2.840.10008.1.2.5" )
+ std::string Transfer = ((gdcmValEntry *)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);
+ gdcmDocEntry* Element = GetDocEntryByNumber(0x0002, 0x0010);
// faire qq chose d'intelligent a la place de ça
if ( !Element )
return false;
- LoadHeaderEntrySafe(Element);
+ LoadDocEntrySafe(Element);
- const char * Transfert = Element->GetValue().c_str();
+ const char * Transfert = ((gdcmValEntry *)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;
+
+ if (((gdcmValEntry *)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 JPEG200 one.0
- *
+ * 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);
+ gdcmDocEntry* Element = GetDocEntryByNumber(0x0002, 0x0010);
if ( !Element )
return false;
- LoadHeaderEntrySafe(Element);
+ LoadDocEntrySafe(Element);
- std::string Transfer = Element->GetValue();
+ std::string Transfer = ((gdcmValEntry *)Element)->GetValue();
if ( (Transfer == "1.2.840.10008.1.2.4.90")
|| (Transfer == "1.2.840.10008.1.2.4.91") )
return true;
*/
bool gdcmHeader::IsDicomV3(void) {
// Checking if Transfert Syntax exists is enough
- return (GetHeaderEntryByNumber(0x0002, 0x0010) != NULL);
+ // 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 (GetDocEntryByNumber(0x0002, 0x0010) != NULL);
}
/**
* 0 means the file is NOT USABLE. The caller will have to check
*/
int gdcmHeader::GetXSize(void) {
- // We cannot check for "Columns" because the "Columns" tag is present
- // both in IMG (0028,0011) and OLY (6000,0011) sections of the dictionary.
- std::string StrSize = GetEntryByNumber(0x0028,0x0011);
+ std::string StrSize;
+ StrSize = GetEntryByNumber(0x0028,0x0011);
if (StrSize == GDCM_UNFOUND)
return 0;
return atoi(StrSize.c_str());
* \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).
+ * (The ACR-MEMA file contains a Signal, not an Image).
*/
int gdcmHeader::GetYSize(void) {
- // We cannot check for "Rows" because the "Rows" tag is present
- // both in IMG (0028,0010) and OLY (6000,0010) sections of the dictionary.
std::string StrSize = GetEntryByNumber(0x0028,0x0010);
if (StrSize != GDCM_UNFOUND)
return atoi(StrSize.c_str());
* 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.
+ * being the ACR-NEMA "Planes" tag content.
* @return The encountered size when found, 1 by default (single image).
*/
int gdcmHeader::GetZSize(void) {
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].
+ // We then consider the "Planes" entry as the third dimension
StrSize = GetEntryByNumber(0x0028,0x0012);
if (StrSize != GDCM_UNFOUND)
return atoi(StrSize.c_str());
* \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) {
+int gdcmHeader::GetBitsStored(void) {
std::string StrSize = GetEntryByNumber(0x0028,0x0101);
if (StrSize == GDCM_UNFOUND)
return 0; // It's supposed to be mandatory
* \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) {
+int gdcmHeader::GetBitsAllocated(void) {
std::string StrSize = GetEntryByNumber(0x0028,0x0100);
if (StrSize == GDCM_UNFOUND)
return 0; // It's supposed to be mandatory
* \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) {
+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
+ // 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) {
+int gdcmHeader::GetPlanarConfiguration(void) {
std::string StrSize = GetEntryByNumber(0x0028,0x0006);
if (StrSize == GDCM_UNFOUND)
return 0;
return 2;
if (PixelType == "32U" || PixelType == "32S")
return 4;
+ if (PixelType == "FD")
+ return 8;
dbg.Verbose(0, "gdcmHeader::GetPixelSize: Unknown pixel type");
return 0;
}
* - 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
+ * 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 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
return( BitsAlloc + Signed);
}
+
/**
* \ingroup gdcmHeader
- * \brief Recover the offset (from the beginning of the file) of the pixels.
+ * \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 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;
- std::string ImageLocation = GetEntryByNumber(0x0028, 0x0200);
-
- if ( ImageLocation == GDCM_UNFOUND ) { // Image Location
- grPixel = 0x7fe0;
- } else {
- grPixel = (guint16) atoi( ImageLocation.c_str() );
- }
- if (grPixel != 0x7fe0)
- // This is a kludge for old dirty Philips imager.
- numPixel = 0x1010;
- else
- numPixel = 0x0010;
-
- gdcmHeaderEntry* PixelElement = GetHeaderEntryByNumber(grPixel,numPixel);
- if (PixelElement)
+size_t gdcmHeader::GetPixelOffset(void) {
+
+ gdcmDocEntry* PixelElement = GetDocEntryByNumber(GrPixel,NumPixel);
+
+ if (PixelElement) {
return PixelElement->GetOffset();
- else
+ } 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 0 by default. NOT USABLE file. The caller has to check.
+ * @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) {
- // 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;
- std::string ImageLocation = GetEntryByNumber(0x0028, 0x0200);
- if ( ImageLocation == GDCM_UNFOUND ) {
- grPixel = 0x7fe0;
- } else {
- grPixel = (guint16) atoi( ImageLocation.c_str() );
- }
- if (grPixel != 0x7fe0)
- // This is a kludge for old dirty Philips imager.
- numPixel = 0x1010;
- else
- numPixel = 0x0010;
-
- gdcmHeaderEntry* PixelElement = GetHeaderEntryByNumber(grPixel,numPixel);
- if (PixelElement)
+size_t gdcmHeader::GetPixelAreaLength(void) {
+
+ gdcmDocEntry* PixelElement = GetDocEntryByNumber(GrPixel,NumPixel);
+
+ if (PixelElement) {
return PixelElement->GetLength();
- else
+ } else {
+#ifdef GDCM_DEBUG
+ std::cout << "Big trouble : Pixel Element ("
+ << std::hex << GrPixel<<","<< NumPixel<< ") NOT found"
+ << std::endl;
+#endif //GDCM_DEBUG
return 0;
+ }
}
/**
* \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
+ * are NOT considered as LUT, since nobody knows
+ * how to deal with them
+ * Please warn me if you know sbdy that *does* know ... jprx
+ * @return true if LUT Descriptors and LUT Tables were found
*/
bool gdcmHeader::HasLUT(void) {
- // Check the presence of the LUT Descriptors
- if ( !GetHeaderEntryByNumber(0x0028,0x1101) )
+ // Check the presence of the LUT Descriptors, and LUT Tables
+ // LutDescriptorRed
+ if ( !GetDocEntryByNumber(0x0028,0x1101) )
return false;
// LutDescriptorGreen
- if ( !GetHeaderEntryByNumber(0x0028,0x1102) )
+ if ( !GetDocEntryByNumber(0x0028,0x1102) )
return false;
// LutDescriptorBlue
- if ( !GetHeaderEntryByNumber(0x0028,0x1103) )
+ if ( !GetDocEntryByNumber(0x0028,0x1103) )
+ return false;
+ // Red Palette Color Lookup Table Data
+ if ( !GetDocEntryByNumber(0x0028,0x1201) )
+ return false;
+ // Green Palette Color Lookup Table Data
+ if ( !GetDocEntryByNumber(0x0028,0x1202) )
return false;
- // It is not enough
- // we check also
- if ( !GetHeaderEntryByNumber(0x0028,0x1201) )
- return false;
- if ( !GetHeaderEntryByNumber(0x0028,0x1202) )
+ // Blue Palette Color Lookup Table Data
+ if ( !GetDocEntryByNumber(0x0028,0x1203) )
return false;
- if ( !GetHeaderEntryByNumber(0x0028,0x1203) )
- return false;
+ // FIXME : (0x0028,0x3006) : LUT Data (CTX dependent)
+ // NOT taken into account, but we don't know how to use it ...
return true;
}
/**
* \ingroup gdcmHeader
* \brief gets the info from 0028,1101 : Lookup Table Desc-Red
- * \ else 0
+ * else 0
* @return Lookup Table number of Bits , 0 by default
- * \ when (0028,0004),Photometric Interpretation = [PALETTE COLOR ]
+ * when (0028,0004),Photometric Interpretation = [PALETTE COLOR ]
+ * @ return bit number of each LUT item
*/
int gdcmHeader::GetLUTNbits(void) {
std::vector<std::string> tokens;
/**
* \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
+ * 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 :-(
+ * 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) {
// if Photometric Interpretation # PALETTE COLOR, no LUT to be done
if (GetEntryByNumber(0x0028,0x0004) != "PALETTE COLOR ") {
- return NULL;
+ return NULL;
}
int lengthR, debR, nbitsR;
int lengthG, debG, nbitsG;
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());
- nbitsG =atoi(tokens[2].c_str());
+ 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());
- nbitsB =atoi(tokens[2].c_str());
+ 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)
GetEntryVoidAreaByNumber(0x0028,0x1203);
if (!lutR || !lutG || !lutB ) {
- return NULL;
+ 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)
+ unsigned char *LUTRGBA = new unsigned char[1024]; // 256 * 4 (R, G, B, Alpha)
if (!LUTRGBA) {
return NULL;
}
memset(LUTRGBA, 0, 1024);
- // Bits Allocated
+ // Bits Allocated
int nb;
std::string str_nb = GetEntryByNumber(0x0028,0x0100);
if (str_nb == GDCM_UNFOUND ) {
// 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 overhead
+ // We give up the checking to avoid some (useless ?)overhead
+ // (optimistic asumption)
unsigned char *a;
int i;
}
//How to free the now useless LUTs?
-
//free(LutR); free(LutB); free(LutG); // Seg Fault when used
return(LUTRGBA);
}
/**
* \ingroup gdcmHeader
- * \brief gets the info from 0002,0010 : Transfert Syntax
- * \ else 1.
- * @return Transfert Syntax Name (as oposite to Transfert Syntax UID)
+ * \brief gets the info from 0002,0010 : Transfert Syntax and gdcmTS
+ * else 1.
+ * @return the full Transfert Syntax Name (as oposite to Transfert Syntax UID)
*/
std::string gdcmHeader::GetTransfertSyntaxName(void) {
// use the gdcmTS (TS : Transfert Syntax)
}
/**
- * \ingroup gdcmFile
+ * \ingroup gdcmHeader
* \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::SetImageDataSize(size_t ImageDataSize) {
std::string content1;
- char car[20];
- // Assumes HeaderEntry (0x7fe0, 0x0010) exists ...
+ char car[20];
+
+ // Assumes DocEntry (GrPixel, NumPixel) is unique ...
+ //\todo deal with multiplicity (see gdcmData/icone.dcm)
sprintf(car,"%d",ImageDataSize);
- gdcmHeaderEntry *a = GetHeaderEntryByNumber(0x7fe0, 0x0010);
+ gdcmDocEntry *a = GetDocEntryByNumber(GrPixel, NumPixel);
a->SetLength(ImageDataSize);
-
+
ImageDataSize+=8;
sprintf(car,"%d",ImageDataSize);
- content1=car;
- SetEntryByNumber(content1, 0x7fe0, 0x0000);
+ content1=car;
+ SetEntryByNumber(content1, GrPixel, NumPixel);
}
+
+/**
+ * \ingroup gdcmHeader
+ * \brief compares 2 Headers, according to DICOMDIR rules
+ * --> not-for-rats function
+ * \warning does NOT work with ACR-NEMA files
+ * \todo find a trick to solve the pb (use RET fields ?)
+ * @param header
+ * @return true if 'smaller'
+ */
+ 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);
+}
+// Replaced by gdcmDocument::WriteEntry
+/*
+bool gdcmHeader::WriteEntry(gdcmDocEntry *tag, FILE *_fp,FileType type)
+{
+cout << " gdcmHeader::WriteEntry : entree " << endl;
+ guint32 length = tag->GetLength();
+
+ // The value of a tag MUST (see the DICOM norm) be an odd number of
+ // bytes. When this is not the case, pad with an additional byte:
+ if(length%2==1)
+ {
+ // tag->SetValue(tag->GetValue()+"\0"); // to go on compiling
+ tag->SetLength(tag->GetReadLength()+1);
+ }
+
+ WriteEntryTagVRLength(tag, _fp, type);
+
+ // Pixels are never loaded in the element !
+ // we stop writting when Pixel are processed
+ // FIX : we loose trailing elements (RAB, right now)
+ guint16 el = tag->GetElement();
+ guint16 group = tag->GetGroup();
+ WriteEntryValue(tag, _fp, type);
+ return true;
+}
+*/
//-----------------------------------------------------------------------------
// Protected
+/**
+ * \ingroup gdcmHeader
+ * \brief anonymize a Header (removes Patient's personal info)
+ * (read the code to see which ones ...)
+ */
+bool gdcmHeader::anonymizeHeader() {
+
+ gdcmDocEntry *patientNameHE = GetDocEntryByNumber (0x0010, 0x0010);
+ // gdcmDocEntry *patientIDHE = GetDocEntryByNumber (0x0010, 0x0020);
+
+ ReplaceIfExistByNumber (" ",0x0010, 0x2154); // Telephone
+ ReplaceIfExistByNumber (" ",0x0010, 0x1040); // Adress
+ ReplaceIfExistByNumber (" ",0x0010, 0x0020); // Patient ID
+
+ if (patientNameHE) {
+ std::string StudyInstanceUID = GetEntryByNumber (0x0020, 0x000d);
+ if (StudyInstanceUID !=GDCM_UNFOUND)
+ ReplaceOrCreateByNumber(StudyInstanceUID, 0x0010, 0x0010);
+ else
+ ReplaceOrCreateByNumber(std::string("anonymised"), 0x0010, 0x0010);
+ }
+
+ // Just for fun :-(
+ // (if any) remove or replace all the stuff that contains a Date
+
+//0008 0012 DA ID Instance Creation Date
+//0008 0020 DA ID Study Date
+//0008 0021 DA ID Series Date
+//0008 0022 DA ID Acquisition Date
+//0008 0023 DA ID Content Date
+//0008 0024 DA ID Overlay Date
+//0008 0025 DA ID Curve Date
+//0008 002a DT ID Acquisition Datetime
+//0018 9074 DT ACQ Frame Acquisition Datetime
+//0018 9151 DT ACQ Frame Reference Datetime
+//0018 a002 DT ACQ Contribution Date Time
+//0020 3403 SH REL Modified Image Date (RET)
+//0032 0032 DA SDY Study Verified Date
+//0032 0034 DA SDY Study Read Date
+//0032 1000 DA SDY Scheduled Study Start Date
+//0032 1010 DA SDY Scheduled Study Stop Date
+//0032 1040 DA SDY Study Arrival Date
+//0032 1050 DA SDY Study Completion Date
+//0038 001a DA VIS Scheduled Admission Date
+//0038 001c DA VIS Scheduled Discharge Date
+//0038 0020 DA VIS Admitting Date
+//0038 0030 DA VIS Discharge Date
+//0040 0002 DA PRC Scheduled Procedure Step Start Date
+//0040 0004 DA PRC Scheduled Procedure Step End Date
+//0040 0244 DA PRC Performed Procedure Step Start Date
+//0040 0250 DA PRC Performed Procedure Step End Date
+//0040 2004 DA PRC Issue Date of Imaging Service Request
+//0040 4005 DT PRC Scheduled Procedure Step Start Date and Time
+//0040 4011 DT PRC Expected Completion Date and Time
+//0040 a030 DT PRC Verification Date Time
+//0040 a032 DT PRC Observation Date Time
+//0040 a120 DT PRC DateTime
+//0040 a121 DA PRC Date
+//0040 a13a DT PRC Referenced Datetime
+//0070 0082 DA ??? Presentation Creation Date
+//0100 0420 DT ??? SOP Autorization Date and Time
+//0400 0105 DT ??? Digital Signature DateTime
+//2100 0040 DA PJ Creation Date
+//3006 0008 DA SSET Structure Set Date
+//3008 0024 DA ??? Treatment Control Point Date
+//3008 0054 DA ??? First Treatment Date
+//3008 0056 DA ??? Most Recent Treatment Date
+//3008 0162 DA ??? Safe Position Exit Date
+//3008 0166 DA ??? Safe Position Return Date
+//3008 0250 DA ??? Treatment Date
+//300a 0006 DA RT RT Plan Date
+//300a 022c DA RT Air Kerma Rate Reference Date
+//300e 0004 DA RT Review Date
+ return true;
+}
//-----------------------------------------------------------------------------
// Private
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff