Program: gdcm
Module: $RCSfile: gdcmFile.cxx,v $
Language: C++
- Date: $Date: 2004/09/09 17:49:25 $
- Version: $Revision: 1.123 $
+ Date: $Date: 2004/09/13 07:49:36 $
+ Version: $Revision: 1.125 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
* user sets an a posteriori shadow dictionary (efficiency can be
* seen as a side effect).
* @param header already built gdcmHeader
- * @return
*/
gdcmFile::gdcmFile(gdcmHeader *header)
{
Header = header;
SelfHeader = false;
-
- PixelRead = -1; // no ImageData read yet.
- LastAllocatedPixelDataLength = 0;
- PixelData = NULL;
-
- InitialSpp = "";
- InitialPhotInt = "";
- InitialPlanConfig = "";
- InitialBitsAllocated = "";
-
- if (Header->IsReadable())
- {
- SetPixelDataSizeFromHeader();
- }
+ SetInitialValues();
}
/**
{
Header = new gdcmHeader( filename );
SelfHeader = true;
-
+ SetInitialValues();
+}
+
+/**
+ * \ingroup gdcmFile
+ * \brief Sets some initial for the Constructor
+ */
+void gdcmFile::SetInitialValues()
+{
PixelRead = -1; // no ImageData read yet.
LastAllocatedPixelDataLength = 0;
- PixelData = NULL;
+ Pixel_Data = 0;
InitialSpp = "";
InitialPhotInt = "";
InitialPlanConfig = "";
InitialBitsAllocated = "";
-
+
+ InitialRedLUTDescr = 0;
+ InitialGreenLUTDescr = 0;
+ InitialBlueLUTDescr = 0;
+ InitialRedLUTData = 0;
+ InitialGreenLUTData = 0;
+ InitialBlueLUTData = 0;
+
if ( Header->IsReadable() )
{
SetPixelDataSizeFromHeader();
+
+ // the following values *may* be modified
+ // by gdcmFile::GetImageDataIntoVectorRaw
+ // we save their initial value.
+ InitialSpp = Header->GetEntryByNumber(0x0028,0x0002);
+ InitialPhotInt = Header->GetEntryByNumber(0x0028,0x0004);
+ InitialPlanConfig = Header->GetEntryByNumber(0x0028,0x0006);
+ InitialBitsAllocated = Header->GetEntryByNumber(0x0028,0x0100);
+
+ // 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);
}
}
* it is destroyed by the gdcmFile
*/
gdcmFile::~gdcmFile()
-{
+{
if( SelfHeader )
{
delete Header;
}
Header = 0;
+
+// InitialLutDescriptors and InitialLutData
+// will have to be deleted if the don't belong any longer
+// to the Header H table ...
}
//-----------------------------------------------------------------------------
* image(s) pixels (multiframes taken into account)
* \warning : it is NOT the group 7FE0 length
* (no interest for compressed images).
+ * \warning : not end user intended ?
*/
void gdcmFile::SetPixelDataSizeFromHeader()
{
nb =16;
}
}
- ImageDataSize = ImageDataSizeRaw = Header->GetXSize() * Header->GetYSize()
+ ImageDataSize =
+ ImageDataSizeRaw = Header->GetXSize() * Header->GetYSize()
* Header->GetZSize() * (nb/8) * Header->GetSamplesPerPixel();
std::string str_PhotometricInterpretation =
Header->GetEntryByNumber(0x0028,0x0004);
}
}
-
-/**
- * \ingroup gdcmFile
- * \brief Returns the size (in bytes) of required memory to hold
- * the pixel data represented in this file, if user DOESN'T want
- * to get RGB pixels image when it's stored as a PALETTE COLOR image
- * -the (vtk) user is supposed to know how to deal with LUTs-
- * \warning to be used with GetImagePixelsRaw()
- * @return The size of pixel data in bytes.
- */
-size_t gdcmFile::GetImageDataSizeRaw()
-{
- return ImageDataSizeRaw;
-}
-
/**
* \ingroup gdcmFile
* \brief - Allocates necessary memory,
void *gdcmFile::GetImageData()
{
// FIXME (Mathieu)
- // I need to deallocate PixelData before doing any allocation:
+ // I need to deallocate Pixel_Data before doing any allocation:
- if ( PixelData )
- if ( LastAllocatedPixelDataLength != ImageDataSize)
- free (PixelData);
- PixelData = new uint8_t[ImageDataSize];
- if ( PixelData )
+ if ( Pixel_Data )
+ if ( LastAllocatedPixelDataLength != ImageDataSize )
+ free(Pixel_Data);
+ if ( !Pixel_Data )
+ Pixel_Data = new uint8_t[ImageDataSize];
+
+ if ( Pixel_Data )
{
LastAllocatedPixelDataLength = ImageDataSize;
-
- GetImageDataIntoVector(PixelData, ImageDataSize);
- // Will be 7fe0, 0010 in standard case
- GetHeader()->SetEntryVoidAreaByNumber( PixelData,
- GetHeader()->GetGrPixel(), GetHeader()->GetNumPixel());
- // Now, the value is loaded.
+
+ // we load the pixels (and transform grey level + LUT into RGB)
+ GetImageDataIntoVector(Pixel_Data, ImageDataSize);
+
+ // We say the value *is* loaded.
GetHeader()->SetEntryByNumber( GDCM_BINLOADED,
GetHeader()->GetGrPixel(), GetHeader()->GetNumPixel());
+
+ // Will be 7fe0, 0010 in standard case
+ GetHeader()->SetEntryVoidAreaByNumber( Pixel_Data,
+ GetHeader()->GetGrPixel(), GetHeader()->GetNumPixel());
}
PixelRead = 0; // no PixelRaw
- return PixelData;
+ return Pixel_Data;
}
/**
imgDataSize = ImageDataSize;
// FIXME (Mathieu)
- // I need to deallocate PixelData before doing any allocation:
+ // I need to deallocate Pixel_Data before doing any allocation:
- if ( PixelData )
- if ( LastAllocatedPixelDataLength != imgDataSize)
- free (PixelData);
- PixelData = new uint8_t[imgDataSize];
- if ( PixelData )
+ if ( Pixel_Data )
+ if ( LastAllocatedPixelDataLength != imgDataSize )
+ free(Pixel_Data);
+ if ( !Pixel_Data )
+ Pixel_Data = new uint8_t[imgDataSize];
+
+ if ( Pixel_Data )
{
LastAllocatedPixelDataLength = imgDataSize;
- GetImageDataIntoVectorRaw(PixelData, imgDataSize);
- // will be 7fe0, 0010 in standard cases
- GetHeader()->SetEntryVoidAreaByNumber(PixelData,
- GetHeader()->GetGrPixel(), GetHeader()->GetNumPixel());
- // Now, the value is loaded.
+ // we load the pixels ( grey level or RGB, but NO transformation)
+ GetImageDataIntoVectorRaw(Pixel_Data, imgDataSize);
+
+ // We say the value *is* loaded.
GetHeader()->SetEntryByNumber( GDCM_BINLOADED,
GetHeader()->GetGrPixel(), GetHeader()->GetNumPixel());
+
+ // will be 7fe0, 0010 in standard cases
+ GetHeader()->SetEntryVoidAreaByNumber(Pixel_Data,
+ GetHeader()->GetGrPixel(), GetHeader()->GetNumPixel());
}
PixelRead = 1; // PixelRaw
- return PixelData;
+ return Pixel_Data;
}
/**
{
Header->SetImageDataSize( expectedSize );
// FIXME : if already allocated, memory leak !
- PixelData = inData;
+ Pixel_Data = inData;
ImageDataSize = ImageDataSizeRaw = expectedSize;
PixelRead = 1;
// FIXME : 7fe0, 0010 IS NOT set ...
printf("Fail to open (write) file [%s] \n", fileName.c_str());
return false;
}
- fwrite (PixelData, ImageDataSize, 1, fp1);
+ fwrite (Pixel_Data, ImageDataSize, 1, fp1);
fclose (fp1);
return true;
}
// ----------------- End of Special Patch ----------------
- // fwrite(PixelData, ImageDataSize, 1, fp1); // should be useless, now
+ // fwrite(Pixel_Data, ImageDataSize, 1, fp1); // should be useless, now
fclose (fp1);
return true;
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff