-/*=========================================================================
+ /*=========================================================================
Program: gdcm
Module: $RCSfile: gdcmFile.cxx,v $
Language: C++
- Date: $Date: 2004/09/13 07:49:36 $
- Version: $Revision: 1.125 $
+ Date: $Date: 2004/09/20 18:14:23 $
+ Version: $Revision: 1.126 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
{
Header = header;
SelfHeader = false;
- SetInitialValues();
+ SaveInitialValues();
}
/**
{
Header = new gdcmHeader( filename );
SelfHeader = true;
- SetInitialValues();
+ SaveInitialValues();
}
/**
* \ingroup gdcmFile
- * \brief Sets some initial for the Constructor
+ * \brief canonical destructor
+ * \note If the gdcmHeader was created by the gdcmFile constructor,
+ * it is destroyed by the gdcmFile
*/
-void gdcmFile::SetInitialValues()
-{
+gdcmFile::~gdcmFile()
+{
+ if( SelfHeader )
+ {
+ delete Header;
+ }
+ Header = 0;
+
+ DeleteInitialValues();
+}
+
+/**
+ * \ingroup gdcmFile
+ * \brief Sets some initial values for the Constructor
+ * \warning not end user intended
+ */
+void gdcmFile::SaveInitialValues()
+{
+
PixelRead = -1; // no ImageData read yet.
LastAllocatedPixelDataLength = 0;
Pixel_Data = 0;
InitialPhotInt = "";
InitialPlanConfig = "";
InitialBitsAllocated = "";
+ InitialHighBit = "";
InitialRedLUTDescr = 0;
InitialGreenLUTDescr = 0;
InitialSpp = Header->GetEntryByNumber(0x0028,0x0002);
InitialPhotInt = Header->GetEntryByNumber(0x0028,0x0004);
InitialPlanConfig = Header->GetEntryByNumber(0x0028,0x0006);
+
InitialBitsAllocated = Header->GetEntryByNumber(0x0028,0x0100);
-
+ InitialHighBit = Header->GetEntryByNumber(0x0028,0x0102);
+
// the following entries *may* be removed from the H table
// (NOT deleted ...) by gdcmFile::GetImageDataIntoVectorRaw
// we keep a pointer on them.
InitialRedLUTDescr = Header->GetDocEntryByNumber(0x0028,0x1101);
InitialGreenLUTDescr = Header->GetDocEntryByNumber(0x0028,0x1102);
InitialBlueLUTDescr = Header->GetDocEntryByNumber(0x0028,0x1103);
+
InitialRedLUTData = Header->GetDocEntryByNumber(0x0028,0x1201);
InitialGreenLUTData = Header->GetDocEntryByNumber(0x0028,0x1202);
InitialBlueLUTData = Header->GetDocEntryByNumber(0x0028,0x1203);
/**
* \ingroup gdcmFile
- * \brief canonical destructor
- * \note If the gdcmHeader was created by the gdcmFile constructor,
- * it is destroyed by the gdcmFile
+ * \brief restores some initial values
+ * \warning not end user intended
*/
-gdcmFile::~gdcmFile()
-{
- if( SelfHeader )
- {
- delete Header;
+void gdcmFile::RestoreInitialValues()
+{
+ if ( Header->IsReadable() )
+ {
+ // the following values *may* have been modified
+ // by gdcmFile::GetImageDataIntoVectorRaw
+ // we restore their initial value.
+ if ( InitialSpp != "")
+ Header->SetEntryByNumber(InitialSpp,0x0028,0x0002);
+ if ( InitialPhotInt != "")
+ Header->SetEntryByNumber(InitialPhotInt,0x0028,0x0004);
+ if ( InitialPlanConfig != "")
+
+ Header->SetEntryByNumber(InitialPlanConfig,0x0028,0x0006);
+ if ( InitialBitsAllocated != "")
+ Header->SetEntryByNumber(InitialBitsAllocated,0x0028,0x0100);
+ if ( InitialHighBit != "")
+ Header->SetEntryByNumber(InitialHighBit,0x0028,0x0102);
+
+ // the following entries *may* be have been removed from the H table
+ // (NOT deleted ...) by gdcmFile::GetImageDataIntoVectorRaw
+ // we restore them.
+
+ if (InitialRedLUTDescr)
+ Header->AddEntry(InitialRedLUTDescr);
+ if (InitialGreenLUTDescr)
+ Header->AddEntry(InitialGreenLUTDescr);
+ if (InitialBlueLUTDescr)
+ Header->AddEntry(InitialBlueLUTDescr);
+
+ if (InitialRedLUTData)
+ Header->AddEntry(InitialBlueLUTDescr);
+ if (InitialGreenLUTData)
+ Header->AddEntry(InitialGreenLUTData);
+ if (InitialBlueLUTData)
+ Header->AddEntry(InitialBlueLUTData);
}
- Header = 0;
+}
+
+/**
+ * \ingroup gdcmFile
+ * \brief delete initial values (il they were saved)
+ * of InitialLutDescriptors and InitialLutData
+ */
+void gdcmFile::DeleteInitialValues()
+{
// InitialLutDescriptors and InitialLutData
// will have to be deleted if the don't belong any longer
-// to the Header H table ...
+// to the Header H table when the header is deleted...
+
+ if ( InitialRedLUTDescr )
+ delete InitialRedLUTDescr;
+
+ if ( InitialGreenLUTDescr )
+ delete InitialGreenLUTDescr;
+
+ if ( InitialBlueLUTDescr )
+ delete InitialBlueLUTDescr;
+
+ if ( InitialRedLUTData )
+ delete InitialRedLUTData;
+
+ if ( InitialGreenLUTData != NULL)
+ delete InitialGreenLUTData;
+
+ if ( InitialBlueLUTData != NULL)
+ delete InitialBlueLUTData;
}
+/**
+ * \ingroup gdcmFile
+ * \brief drop palette related initial values -if any-
+ * (InitialLutDescriptors and InitialLutData)
+ * out of header, to make it consistent with the Pixel_Data
+ * as it's loaded in memory
+ */
+
+//FIXME : Should be nice, if we could let it here.
+// will be moved to PixelData class
+// Now, the job is done in gdcmHeader.cxx
+
+ /*
+void gdcmFile::DropInitialValues()
+{
+ gdcmHeader* h=GetHeader();
+ if ( GetEntryByNumber(0x0028,0x0002).c_str()[0] == '3' )
+ {
+ // if SamplesPerPixel = 3, sure we don't need any LUT !
+ // Drop 0028|1101, 0028|1102, 0028|1103
+ // Drop 0028|1201, 0028|1202, 0028|1203
+
+ gdcmDocEntry* e = h->GetDocEntryByNumber(0x0028,0x01101);
+ if (e)
+ {
+ h->RemoveEntryNoDestroy(e);
+ }
+ e = h->GetDocEntryByNumber(0x0028,0x1102);
+ if (e)
+ {
+ h->RemoveEntryNoDestroy(e);
+ }
+ e = h->GetDocEntryByNumber(0x0028,0x1103);
+ if (e)
+ {
+ h->RemoveEntryNoDestroy(e);
+ }
+ e = h->GetDocEntryByNumber(0x0028,0x01201);
+ if (e)
+ {
+ h->RemoveEntryNoDestroy(e);
+ }
+ e = h->GetDocEntryByNumber(0x0028,0x1202);
+ if (e)
+ {
+ h->RemoveEntryNoDestroy(e);
+ }
+ e = h->GetDocEntryByNumber(0x0028,0x1203);
+ if (e)
+ {
+ h->RemoveEntryNoDestroy(e);
+ }
+ }
+}
+*/
+
//-----------------------------------------------------------------------------
// Print
// in order to be able to restore the header in a disk-consistent state
// (if user asks twice to get the pixels from disk)
- if ( PixelRead == -1 ) // File was never "read" before
+ if ( PixelRead != -1 ) // File was "read" before
{
- InitialSpp = Header->GetEntryByNumber(0x0028,0x0002);
- InitialPhotInt = Header->GetEntryByNumber(0x0028,0x0004);
- InitialPlanConfig = Header->GetEntryByNumber(0x0028,0x0006);
- InitialBitsAllocated = Header->GetEntryByNumber(0x0028,0x0100);
- }
- else // File was already "read", the following *may* have been modified
- // we restore them to be in a disk-consistent state
- {
- // FIXME : What happened with the LUTs ?
- Header->SetEntryByNumber(InitialSpp,0x0028,0x0002);
- Header->SetEntryByNumber(InitialPhotInt,0x0028,0x0004);
- Header->SetEntryByNumber(InitialPlanConfig,0x0028,0x0006);
- Header->SetEntryByNumber(InitialBitsAllocated,0x0028,0x0100);
+ RestoreInitialValues();
}
PixelRead = 1 ; // PixelRaw
}
// now, it's an RGB image
// Lets's write it in the Header
+
+ // Droping Palette Color out of the Header
+ // has been moved to the Write process.
- // CreateOrReplaceIfExist ?
+ // TODO : move 'values' modification to the write process
+ // : save also (in order to be able to restore)
+ // : 'high bit' -when not equal to 'bits stored' + 1
+ // : 'bits allocated', when it's equal to 12 ?!
std::string spp = "3"; // Samples Per Pixel
std::string photInt = "RGB "; // Photometric Interpretation
std::string planConfig = "0"; // Planar Configuration
-
-
Header->SetEntryByNumber(spp,0x0028,0x0002);
Header->SetEntryByNumber(photInt,0x0028,0x0004);
Header->SetEntryByNumber(planConfig,0x0028,0x0006);
- /// \todo Drop Palette Color out of the Header?
return ImageDataSize;
}
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff