#include "gdcmUtil.h"
#include "gdcmHeader.h"
-#include <iddcmjpeg.h>
+#include "iddcmjpeg.h"
// Refer to gdcmHeader::CheckSwap()
#define HEADER_LENGTH_TO_READ 256
else
dbg.Error(!fp, "gdcmHeader::gdcmHeader cannot open file", InFilename);
ParseHeader();
+ LoadElements();
AddAndDefaultElements();
}
* @return True when ImplicitVRLittleEndian found. False in all other cases.
*/
bool gdcmHeader::IsImplicitVRLittleEndianTransferSyntax(void) {
- gdcmElValue* Element = PubElVals.GetElementByNumber(0x0002, 0x0010);
+ gdcmElValue* Element = PubElValSet.GetElementByNumber(0x0002, 0x0010);
if ( !Element )
return false;
LoadElementValueSafe(Element);
* @return True when ExplicitVRLittleEndian found. False in all other cases.
*/
bool gdcmHeader::IsExplicitVRLittleEndianTransferSyntax(void) {
- gdcmElValue* Element = PubElVals.GetElementByNumber(0x0002, 0x0010);
+ gdcmElValue* Element = PubElValSet.GetElementByNumber(0x0002, 0x0010);
if ( !Element )
return false;
LoadElementValueSafe(Element);
* @return True when DeflatedExplicitVRLittleEndian found. False in all other cases.
*/
bool gdcmHeader::IsDeflatedExplicitVRLittleEndianTransferSyntax(void) {
- gdcmElValue* Element = PubElVals.GetElementByNumber(0x0002, 0x0010);
+ gdcmElValue* Element = PubElValSet.GetElementByNumber(0x0002, 0x0010);
if ( !Element )
return false;
LoadElementValueSafe(Element);
* @return True when big endian found. False in all other cases.
*/
bool gdcmHeader::IsExplicitVRBigEndianTransferSyntax(void) {
- gdcmElValue* Element = PubElVals.GetElementByNumber(0x0002, 0x0010);
+ gdcmElValue* Element = PubElValSet.GetElementByNumber(0x0002, 0x0010);
if ( !Element )
return false;
LoadElementValueSafe(Element);
* @return True when JPEGBaseLineProcess1found. False in all other cases.
*/
bool gdcmHeader::IsJPEGBaseLineProcess1TransferSyntax(void) {
- gdcmElValue* Element = PubElVals.GetElementByNumber(0x0002, 0x0010);
+ gdcmElValue* Element = PubElValSet.GetElementByNumber(0x0002, 0x0010);
if ( !Element )
return false;
LoadElementValueSafe(Element);
// faire qq chose d'intelligent a la place de ça
bool gdcmHeader::IsJPEGLossless(void) {
- gdcmElValue* Element = PubElVals.GetElementByNumber(0x0002, 0x0010);
+ gdcmElValue* Element = PubElValSet.GetElementByNumber(0x0002, 0x0010);
if ( !Element )
return false;
LoadElementValueSafe(Element);
* @return True when JPEGExtendedProcess2-4 found. False in all other cases.
*/
bool gdcmHeader::IsJPEGExtendedProcess2_4TransferSyntax(void) {
- gdcmElValue* Element = PubElVals.GetElementByNumber(0x0002, 0x0010);
+ gdcmElValue* Element = PubElValSet.GetElementByNumber(0x0002, 0x0010);
if ( !Element )
return false;
LoadElementValueSafe(Element);
* @return True when JPEGExtendedProcess3-5 found. False in all other cases.
*/
bool gdcmHeader::IsJPEGExtendedProcess3_5TransferSyntax(void) {
- gdcmElValue* Element = PubElVals.GetElementByNumber(0x0002, 0x0010);
+ gdcmElValue* Element = PubElValSet.GetElementByNumber(0x0002, 0x0010);
if ( !Element )
return false;
LoadElementValueSafe(Element);
* other cases.
*/
bool gdcmHeader::IsJPEGSpectralSelectionProcess6_8TransferSyntax(void) {
- gdcmElValue* Element = PubElVals.GetElementByNumber(0x0002, 0x0010);
+ gdcmElValue* Element = PubElValSet.GetElementByNumber(0x0002, 0x0010);
if ( !Element )
return false;
LoadElementValueSafe(Element);
fseek(fp, (long)ElVal->GetOffset(), SEEK_SET);
- // Sequences not treated yet !
+ // FIXME Sequences not treated yet !
//
// Ne faudrait-il pas au contraire trouver immediatement
// une maniere 'propre' de traiter les sequences (vr = SQ)
// car commencer par les ignorer risque de conduire a qq chose
// qui pourrait ne pas etre generalisable
- //
+ // Well, I'm expecting your code !!!
+
if( vr == "SQ" )
SkipLoad = true;
if( group == 0xfffe )
SkipLoad = true;
- // The group length doesn't represent data to be loaded in memory, since
- // each element of the group shall be loaded individualy.
- if( elem == 0 )
- //SkipLoad = true; // modif sauvage JPR
- // On charge la longueur du groupe
- // quand l'element 0x0000 est présent !
-
if ( SkipLoad ) {
- // FIXME the following skip is not necessary
- SkipElementValue(ElVal);
ElVal->SetLength(0);
ElVal->SetValue("gdcm::Skipped");
return;
// pour les elements de Value Multiplicity > 1
// on aura en fait une serie d'entiers
- // code original
-
- //if ( IsAnInteger(ElVal) ) {
- // 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;
- //}
-
- // modif proposee. JPR
// on devrait pouvoir faire + compact (?)
if ( IsAnInteger(ElVal) ) {
return;
}
-
-
// FIXME The exact size should be length if we move to strings or whatever
char* NewValue = (char*)malloc(length+1);
if( !NewValue) {
return NewElVal;
}
+/**
+ * \ingroup gdcmHeader
+ * \brief TODO
+ * @param
+ */
+int gdcmHeader::ReplaceOrCreateByNumber(guint16 Group, guint16 Elem, string Value) {
+
+ gdcmElValue* nvElValue=NewElValueByKey(Group, Elem);
+ PubElValSet.Add(nvElValue);
+ PubElValSet.SetElValueByNumber(Value, Group, Elem);
+ return(1);
+}
+
+
/**
* \ingroup gdcmHeader
* \brief Build a new Element Value from all the low level arguments.
* @return On succes the newly created ElValue, NULL on failure.
*/
gdcmElValue * gdcmHeader::ReadNextElement(void) {
- guint16 g;
- guint16 n;
+
+ guint16 g,n;
gdcmElValue * NewElVal;
g = ReadInt16();
numPixel = 0x1010;
else
numPixel = 0x0010;
- gdcmElValue* PixelElement = PubElVals.GetElementByNumber(grPixel, numPixel);
+ gdcmElValue* PixelElement = PubElValSet.GetElementByNumber(grPixel, numPixel);
if (PixelElement)
return PixelElement->GetOffset();
else
* "gdcm::Unfound" otherwise.
*/
string gdcmHeader::GetPubElValByNumber(guint16 group, guint16 element) {
- return PubElVals.GetElValueByNumber(group, element);
+ return PubElValSet.GetElValueByNumber(group, element);
}
/**
* and the string "gdcm::Unfound" otherwise.
*/
string gdcmHeader::GetPubElValRepByNumber(guint16 group, guint16 element) {
- gdcmElValue* elem = PubElVals.GetElementByNumber(group, element);
+ gdcmElValue* elem = PubElValSet.GetElementByNumber(group, element);
if ( !elem )
return "gdcm::Unfound";
return elem->GetVR();
* "gdcm::Unfound" otherwise.
*/
string gdcmHeader::GetPubElValByName(string TagName) {
- return PubElVals.GetElValueByName(TagName);
+ return PubElValSet.GetElValueByName(TagName);
}
/**
* and the string "gdcm::Unfound" otherwise.
*/
string gdcmHeader::GetPubElValRepByName(string TagName) {
- gdcmElValue* elem = PubElVals.GetElementByName(TagName);
+ gdcmElValue* elem = PubElValSet.GetElementByName(TagName);
if ( !elem )
return "gdcm::Unfound";
return elem->GetVR();
* and the string "gdcm::Unfound" otherwise.
*/
string gdcmHeader::GetShaElValByNumber(guint16 group, guint16 element) {
- return ShaElVals.GetElValueByNumber(group, element);
+ return ShaElValSet.GetElValueByNumber(group, element);
}
/**
* and the string "gdcm::Unfound" otherwise.
*/
string gdcmHeader::GetShaElValRepByNumber(guint16 group, guint16 element) {
- gdcmElValue* elem = ShaElVals.GetElementByNumber(group, element);
+ gdcmElValue* elem = ShaElValSet.GetElementByNumber(group, element);
if ( !elem )
return "gdcm::Unfound";
return elem->GetVR();
* "gdcm::Unfound" otherwise.
*/
string gdcmHeader::GetShaElValByName(string TagName) {
- return ShaElVals.GetElValueByName(TagName);
+ return ShaElValSet.GetElValueByName(TagName);
}
/**
* and the string "gdcm::Unfound" otherwise.
*/
string gdcmHeader::GetShaElValRepByName(string TagName) {
- gdcmElValue* elem = ShaElVals.GetElementByName(TagName);
+ gdcmElValue* elem = ShaElValSet.GetElementByName(TagName);
if ( !elem )
return "gdcm::Unfound";
return elem->GetVR();
/**
* \ingroup gdcmHeader
- * \brief Accesses an existing gdcmElValue in the PubElVals of this instance
+ * \brief Accesses an existing gdcmElValue in the PubElValSet of this instance
* through it's (group, element) and modifies it's content with
* the given value.
* @param content new value to substitute with
int gdcmHeader::SetPubElValByNumber(string content, guint16 group,
guint16 element)
{
- return ( PubElVals.SetElValueByNumber (content, group, element) );
+ return ( PubElValSet.SetElValueByNumber (content, group, element) );
}
/**
* \ingroup gdcmHeader
- * \brief Accesses an existing gdcmElValue in the PubElVals of this instance
+ * \brief Accesses an existing gdcmElValue in the PubElValSet of this instance
* through tag name and modifies it's content with the given value.
* @param content new value to substitute with
* @param TagName name of the tag to be modified
*/
int gdcmHeader::SetPubElValByName(string content, string TagName) {
- return ( PubElVals.SetElValueByName (content, TagName) );
+ return ( PubElValSet.SetElValueByName (content, TagName) );
}
/**
* \ingroup gdcmHeader
- * \brief Accesses an existing gdcmElValue in the PubElVals of this instance
+ * \brief Accesses an existing gdcmElValue in the PubElValSet of this instance
* through it's (group, element) and modifies it's length with
* the given value.
- * NOT FOR BOZOs !
- * @param contents new length to substitute with
+ * \warning Use with extreme caution.
+ * @param length new length to substitute with
* @param group group of the ElVal to modify
* @param element element of the ElVal to modify
+ * @return 1 on success, 0 otherwise.
*/
-int gdcmHeader::SetPubElValLengthByNumber(guint32 lgr, guint16 group,
- guint16 element)
-{
- return ( PubElVals.SetElValueLengthByNumber (lgr, group, element) );
+
+int gdcmHeader::SetPubElValLengthByNumber(guint32 length, guint16 group,
+ guint16 element) {
+ return ( PubElValSet.SetElValueLengthByNumber (length, group, element) );
}
/**
* \ingroup gdcmHeader
- * \brief Accesses an existing gdcmElValue in the ShaElVals of this instance
+ * \brief Accesses an existing gdcmElValue in the ShaElValSet of this instance
* through it's (group, element) and modifies it's content with
* the given value.
* @param content new value to substitute with
* @param group group of the ElVal to modify
* @param element element of the ElVal to modify
+ * @return 1 on success, 0 otherwise.
*/
int gdcmHeader::SetShaElValByNumber(string content,
- guint16 group, guint16 element)
-{
- return ( ShaElVals.SetElValueByNumber (content, group, element) );
+ guint16 group, guint16 element) {
+ return ( ShaElValSet.SetElValueByNumber (content, group, element) );
}
/**
* \ingroup gdcmHeader
- * \brief Accesses an existing gdcmElValue in the ShaElVals of this instance
+ * \brief Accesses an existing gdcmElValue in the ShaElValSet of this instance
* through tag name and modifies it's content with the given value.
* @param content new value to substitute with
* @param TagName name of the tag to be modified
*/
int gdcmHeader::SetShaElValByName(string content, string TagName) {
- return ( ShaElVals.SetElValueByName (content, TagName) );
+ return ( ShaElValSet.SetElValueByName (content, TagName) );
}
/**
CheckSwap();
while ( (newElValue = ReadNextElement()) ) {
SkipElementValue(newElValue);
- PubElVals.Add(newElValue);
+ PubElValSet.Add(newElValue);
}
}
* the ones of the official DICOM fields Rows, Columns and Planes.
*/
void gdcmHeader::AddAndDefaultElements(void) {
- gdcmElValue* NewEntry = (gdcmElValue*)0;
+ gdcmElValue* NewElVal = (gdcmElValue*)0;
+ string NewVal;
+
+ NewElVal = NewManualElValToPubDict("gdcmXSize", "US");
+ if (!NewElVal) return;
+ NewVal = GetElValByName("Rows");
+ if (NewVal != "gdcm::Unfound")
+ NewElVal->SetValue(NewVal);
+ else
+ NewElVal->SetValue("0");
+
+ NewElVal = NewManualElValToPubDict("gdcmYSize", "US");
+ if (!NewElVal) return;
+ NewVal = GetElValByName("Columns");
+ if (NewVal != "gdcm::Unfound")
+ NewElVal->SetValue(NewVal);
+ else
+ NewElVal->SetValue("0");
+
+
+ NewElVal = NewManualElValToPubDict("gdcmZSize", "US");
+ if (!NewElVal) return;
+ NewVal = GetElValByNumber(0x0028,0x0008); // 0028 0008 IS IMG Number of Frames (DICOM)
+ if (NewVal == "gdcm::Unfound") {
+ NewVal = GetElValByNumber(0x0028,0x0012); // 028 0012 US IMG Planes (ACR-NEMA)
+ if (NewVal == "gdcm::Unfound") { // Warning !!! : 6000 0012 US OLY Planes
+ NewElVal->SetValue("0");
+ } else {
+ NewElVal->SetValue(NewVal);
+ }
+ } else {
+ NewElVal->SetValue(NewVal);
+ } // length is still wrong
+} // do we care about it?
- NewEntry = NewElValueByName("gdcmXSize");
- NewEntry->SetValue(GetElValByName("Rows"));
- PubElVals.Add(NewEntry);
- NewEntry = NewElValueByName("gdcmYSize");
- NewEntry->SetValue(GetElValByName("Columns"));
- PubElVals.Add(NewEntry);
+/**
+ * \ingroup gdcmHeader
+ * \brief This predicate, based on hopefully reasonnable heuristics,
+ * decides whether or not the current gdcmHeader was properly parsed
+ * and contains the mandatory information for being considered as
+ * a well formed and usable image.
+ * @return true when gdcmHeader is the one of a reasonable Dicom file,
+ * false otherwise.
+ */
+bool gdcmHeader::IsReadable(void) {
+ if ( GetElValByName("Image Dimensions") != "gdcm::Unfound"
+ && atoi(GetElValByName("Image Dimensions").c_str()) > 4 ) {
+ return false;
+ }
+ if ( GetElValByName("Bits Allocated") == "gdcm::Unfound" )
+ return false;
+ if ( GetElValByName("Bits Stored") == "gdcm::Unfound" )
+ return false;
+ if ( GetElValByName("High Bit") == "gdcm::Unfound" )
+ return false;
+ if ( GetElValByName("Pixel Representation") == "gdcm::Unfound" )
+ return false;
+ return true;
+}
+
+
+/**
+ * \ingroup gdcmHeader
+ * \brief Small utility function that creates a new manually crafted
+ * (as opposed as read from the file) gdcmElValue with user
+ * specified name and adds it to the public tag hash table.
+ * Refer to gdcmHeader::AddAndDefaultElements for a typical usage.
+ * \note A fake TagKey is generated so the PubDict can keep it's coherence.
+ * @param NewTagName The name to be given to this new tag.
+ * @param VR The Value Representation to be given to this new tag.
+ * @ return The newly hand crafted Element Value.
+ */
+gdcmElValue* gdcmHeader::NewManualElValToPubDict(string NewTagName, string VR) {
+ gdcmElValue* NewElVal = (gdcmElValue*)0;
+ guint32 StuffGroup = 0xffff; // Group to be stuffed with additional info
+ guint32 FreeElem = 0;
+ gdcmDictEntry* NewEntry = (gdcmDictEntry*)0;
+
+ FreeElem = PubElValSet.GenerateFreeTagKeyInGroup(StuffGroup);
+ if (FreeElem == UINT32_MAX) {
+ dbg.Verbose(1, "gdcmHeader::NewManualElValToPubDict",
+ "Group 0xffff in Public Dict is full");
+ return (gdcmElValue*)0;
+ }
+ NewEntry = new gdcmDictEntry(StuffGroup, FreeElem,
+ VR, "GDCM", NewTagName);
+ NewElVal = new gdcmElValue(NewEntry);
+ PubElValSet.Add(NewElVal);
+ return NewElVal;
- NewEntry = NewElValueByName("gdcmZSize");
- NewEntry->SetValue(GetElValByName("Planes"));
- PubElVals.Add(NewEntry);
}
/**
*/
void gdcmHeader::LoadElements(void) {
rewind(fp);
- TagElValueHT ht = PubElVals.GetTagHt();
+ TagElValueHT ht = PubElValSet.GetTagHt();
for (TagElValueHT::iterator tag = ht.begin(); tag != ht.end(); ++tag) {
LoadElementValue(tag->second);
}
}
void gdcmHeader::PrintPubElVal(ostream & os) {
- PubElVals.Print(os);
+ PubElValSet.Print(os);
}
void gdcmHeader::PrintPubDict(ostream & os) {
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff