-// gdcmFile.cxx
+ /*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmFile.cxx,v $
+ Language: C++
+ Date: $Date: 2004/11/16 16:20:23 $
+ Version: $Revision: 1.157 $
+
+ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
+ l'Image). All rights reserved. See Doc/License.txt or
+ http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the above copyright notices for more information.
+
+=========================================================================*/
-#include "gdcm.h"
+#include "gdcmFile.h"
+#include "gdcmDebug.h"
+#include "gdcmUtil.h"
+#include "gdcmBinEntry.h"
+#include <fstream>
-gdcmFile::gdcmFile(string & filename)
- :gdcmHeader(filename.c_str())
+namespace gdcm
{
-
+typedef std::pair<TagDocEntryHT::iterator,TagDocEntryHT::iterator> IterHT;
+
+//-------------------------------------------------------------------------
+// Constructor / Destructor
+/**
+ * \brief Constructor dedicated to deal with the *pixels* area of a ACR/DICOMV3
+ * file (Header only deals with the ... header)
+ * Opens (in read only and when possible) an existing file and checks
+ * for DICOM compliance. Returns NULL on failure.
+ * It will be up to the user to load the pixels into memory
+ * (see GetImageData, GetImageDataRaw)
+ * \note the in-memory representation of all available tags found in
+ * the DICOM header is post-poned to first header information access.
+ * This avoid a double parsing of public part of the header when
+ * user sets an a posteriori shadow dictionary (efficiency can be
+ * seen as a side effect).
+ * @param header already built Header
+ */
+File::File(Header *header)
+{
+ HeaderInternal = header;
+ SelfHeader = false;
+ Initialise();
}
+
+/**
+ * \brief Constructor dedicated to deal with the *pixels* area of a ACR/DICOMV3
+ * file (Header only deals with the ... header)
+ * Opens (in read only and when possible) an existing file and checks
+ * for DICOM compliance. Returns NULL on failure.
+ * It will be up to the user to load the pixels into memory
+ * (see GetImageData, GetImageDataRaw)
+ * \note the in-memory representation of all available tags found in
+ * the DICOM header is post-poned to first header information access.
+ * This avoid a double parsing of public part of the header when
+ * one sets an a posteriori shadow dictionary (efficiency can be
+ * seen as a side effect).
+ * @param filename file to be opened for parsing
+ */
+File::File(std::string const & filename )
+{
+ HeaderInternal = new Header( filename );
+ SelfHeader = true;
+ Initialise();
+}
+
+/**
+ * \brief Factorization for various forms of constructors.
+ */
+void File::Initialise()
+{
+ PixelConverter = NULL; //just in case
+ if ( HeaderInternal->IsReadable() )
+ {
+ ImageDataSizeRaw = ComputeDecompressedPixelDataSizeFromHeader();
+ if ( HeaderInternal->HasLUT() )
+ {
+ ImageDataSize = 3 * ImageDataSizeRaw;
+ }
+ else
+ {
+ ImageDataSize = ImageDataSizeRaw;
+ }
+
+ PixelConverter = new PixelConvert;
+ PixelConverter->GrabInformationsFromHeader( HeaderInternal );
+ }
+ SaveInitialValues();
+}
+
+/**
+ * \brief canonical destructor
+ * \note If the Header was created by the File constructor,
+ * it is destroyed by the File
+ */
+File::~File()
+{
+ if( SelfHeader )
+ {
+ delete HeaderInternal;
+ }
+ HeaderInternal = 0;
+
+ DeleteInitialValues();
+ if( PixelConverter )
+ {
+ delete PixelConverter;
+ }
+}
+
+/**
+ * \brief Sets some initial values for the Constructor
+ * \warning not end user intended
+ */
+void File::SaveInitialValues()
+{
+
+ PixelRead = -1; // no ImageData read yet.
+ LastAllocatedPixelDataLength = 0;
+ Pixel_Data = 0;
+
+ InitialSpp = "";
+ InitialPhotInt = "";
+ InitialPlanConfig = "";
+ InitialBitsAllocated = "";
+ InitialHighBit = "";
+
+ InitialRedLUTDescr = 0;
+ InitialGreenLUTDescr = 0;
+ InitialBlueLUTDescr = 0;
+ InitialRedLUTData = 0;
+ InitialGreenLUTData = 0;
+ InitialBlueLUTData = 0;
+
+ if ( HeaderInternal->IsReadable() )
+ {
+ // the following values *may* be modified
+ // by File::GetImageDataIntoVectorRaw
+ // we save their initial value.
+ InitialSpp = HeaderInternal->GetEntryByNumber(0x0028,0x0002);
+ InitialPhotInt = HeaderInternal->GetEntryByNumber(0x0028,0x0004);
+ InitialPlanConfig = HeaderInternal->GetEntryByNumber(0x0028,0x0006);
+
+ InitialBitsAllocated = HeaderInternal->GetEntryByNumber(0x0028,0x0100);
+ InitialHighBit = HeaderInternal->GetEntryByNumber(0x0028,0x0102);
+
+ // the following entries *may* be removed from the H table
+ // (NOT deleted ...) by File::GetImageDataIntoVectorRaw
+ // we keep a pointer on them.
+ InitialRedLUTDescr = HeaderInternal->GetDocEntryByNumber(0x0028,0x1101);
+ InitialGreenLUTDescr = HeaderInternal->GetDocEntryByNumber(0x0028,0x1102);
+ InitialBlueLUTDescr = HeaderInternal->GetDocEntryByNumber(0x0028,0x1103);
+
+ InitialRedLUTData = HeaderInternal->GetDocEntryByNumber(0x0028,0x1201);
+ InitialGreenLUTData = HeaderInternal->GetDocEntryByNumber(0x0028,0x1202);
+ InitialBlueLUTData = HeaderInternal->GetDocEntryByNumber(0x0028,0x1203);
+ }
+}
+
+/**
+ * \brief restores some initial values
+ * \warning not end user intended
+ */
+void File::RestoreInitialValues()
+{
+ if ( HeaderInternal->IsReadable() )
+ {
+ // the following values *may* have been modified
+ // by File::GetImageDataIntoVectorRaw
+ // we restore their initial value.
+ if ( InitialSpp != "")
+ HeaderInternal->SetEntryByNumber(InitialSpp,0x0028,0x0002);
+ if ( InitialPhotInt != "")
+ HeaderInternal->SetEntryByNumber(InitialPhotInt,0x0028,0x0004);
+ if ( InitialPlanConfig != "")
+
+ HeaderInternal->SetEntryByNumber(InitialPlanConfig,0x0028,0x0006);
+ if ( InitialBitsAllocated != "")
+ HeaderInternal->SetEntryByNumber(InitialBitsAllocated,0x0028,0x0100);
+ if ( InitialHighBit != "")
+ HeaderInternal->SetEntryByNumber(InitialHighBit,0x0028,0x0102);
+
+ // the following entries *may* be have been removed from the H table
+ // (NOT deleted ...) by File::GetImageDataIntoVectorRaw
+ // we restore them.
+
+ if (InitialRedLUTDescr)
+ HeaderInternal->AddEntry(InitialRedLUTDescr);
+ if (InitialGreenLUTDescr)
+ HeaderInternal->AddEntry(InitialGreenLUTDescr);
+ if (InitialBlueLUTDescr)
+ HeaderInternal->AddEntry(InitialBlueLUTDescr);
+
+ if (InitialRedLUTData)
+ HeaderInternal->AddEntry(InitialBlueLUTDescr);
+ if (InitialGreenLUTData)
+ HeaderInternal->AddEntry(InitialGreenLUTData);
+ if (InitialBlueLUTData)
+ HeaderInternal->AddEntry(InitialBlueLUTData);
+ }
+}
+
+/**
+ * \brief delete initial values (il they were saved)
+ * of InitialLutDescriptors and InitialLutData
+ */
+void File::DeleteInitialValues()
+{
+// InitialLutDescriptors and InitialLutData
+// will have to be deleted if the don't belong any longer
+// to the Header H table when the header is deleted...
+
+// FIXME
+// We don't know if the InitialLutData are still in the header or not !
+/* if ( InitialRedLUTDescr )
+ delete InitialRedLUTDescr;
+
+ if ( InitialGreenLUTDescr )
+ delete InitialGreenLUTDescr;
+
+ if ( InitialBlueLUTDescr )
+ delete InitialBlueLUTDescr;
+
+ if ( InitialRedLUTData )
+ delete InitialRedLUTData;
+
+ if ( InitialGreenLUTData )
+ delete InitialGreenLUTData;
+
+ if ( InitialBlueLUTData )
+ delete InitialBlueLUTData;*/
+}
+
+//-----------------------------------------------------------------------------
+// Print
+
+//-----------------------------------------------------------------------------
+// Public
+
+/**
+ * \brief computes the length (in bytes) we must ALLOCATE to receive the
+ * image(s) pixels (multiframes taken into account)
+ * \warning : it is NOT the group 7FE0 length
+ * (no interest for compressed images).
+ */
+int File::ComputeDecompressedPixelDataSizeFromHeader()
+{
+ // see PS 3.3-2003 : C.7.6.3.2.1
+ //
+ // MONOCHROME1
+ // MONOCHROME2
+ // PALETTE COLOR
+ // RGB
+ // HSV (Retired)
+ // ARGB (Retired)
+ // CMYK (Retired)
+ // YBR_FULL
+ // YBR_FULL_422 (no LUT, no Palette)
+ // YBR_PARTIAL_422
+ // YBR_ICT
+ // YBR_RCT
+
+ // LUT's
+ // ex : gdcm-US-ALOKA-16.dcm
+ // 0028|1221 [OW] [Segmented Red Palette Color Lookup Table Data]
+ // 0028|1222 [OW] [Segmented Green Palette Color Lookup Table Data]
+ // 0028|1223 [OW] [Segmented Blue Palette Color Lookup Table Data]
+
+ // ex : OT-PAL-8-face.dcm
+ // 0028|1201 [US] [Red Palette Color Lookup Table Data]
+ // 0028|1202 [US] [Green Palette Color Lookup Table Data]
+ // 0028|1203 [US] [Blue Palette Color Lookup Table Data]
+
+ int numberBitsAllocated = HeaderInternal->GetBitsAllocated();
+ // Number of "Bits Allocated" is fixed to 16 when:
+ // - it is not defined (i.e. it's value is 0)
+ // - it's 12, since we will expand the image to 16 bits (see
+ // PixelConvert::ConvertDecompress12BitsTo16Bits() )
+ if ( numberBitsAllocated == 0 || numberBitsAllocated == 12 )
+ {
+ numberBitsAllocated = 16;
+ }
+
+ int DecompressedSize = HeaderInternal->GetXSize()
+ * HeaderInternal->GetYSize()
+ * HeaderInternal->GetZSize()
+ * ( numberBitsAllocated / 8 )
+ * HeaderInternal->GetSamplesPerPixel();
+
+ return DecompressedSize;
+}
+
+/**
+ * \brief - Allocates necessary memory,
+ * - Reads the pixels from disk (uncompress if necessary),
+ * - Transforms YBR pixels, if any, into RGB pixels
+ * - Transforms 3 planes R, G, B, if any, into a single RGB Plane
+ * - Transforms single Grey plane + 3 Palettes into a RGB Plane
+ * - Copies the pixel data (image[s]/volume[s]) to newly allocated zone.
+ * @return Pointer to newly allocated pixel data.
+ * NULL if alloc fails
+ */
+uint8_t* File::GetImageData()
+{
+ if ( ! GetDecompressed() )
+ {
+ // If the decompression failed nothing can be done.
+ return 0;
+ }
+
+ uint8_t* pixelData;
+ if ( HeaderInternal->HasLUT() && PixelConverter->BuildRGBImage() )
+ {
+ pixelData = PixelConverter->GetRGB();
+ }
+ else
+ {
+ // When no LUT or LUT conversion fails, return the decompressed
+ pixelData = PixelConverter->GetDecompressed();
+ }
+
+// PIXELCONVERT CLEANME
+ // Restore the header in a disk-consistent state
+ // (if user asks twice to get the pixels from disk)
+ if ( PixelRead != -1 ) // File was "read" before
+ {
+ RestoreInitialValues();
+ }
+ if ( PixelConverter->GetRGB() )
+ {
+ // now, it's an RGB image
+ // Lets's write it in the Header
+ std::string spp = "3"; // Samples Per Pixel
+ HeaderInternal->SetEntryByNumber(spp,0x0028,0x0002);
+ std::string rgb = "RGB "; // Photometric Interpretation
+ HeaderInternal->SetEntryByNumber(rgb,0x0028,0x0004);
+ std::string planConfig = "0"; // Planar Configuration
+ HeaderInternal->SetEntryByNumber(planConfig,0x0028,0x0006);
+ PixelRead = 0; // no PixelRaw
+ }
+ else
+ {
+ if ( HeaderInternal->HasLUT() )
+ {
+ // The LUT interpretation failed
+ std::string photometricInterpretation = Util::DicomString("MONOCHROME1");
+ HeaderInternal->SetEntryByNumber( photometricInterpretation,
+ 0x0028, 0x0004 );
+ PixelRead = 0; // no PixelRaw
+ }
+ else
+ {
+ if ( PixelConverter->IsDecompressedRGB() )
+ {
+ ///////////////////////////////////////////////////
+ // 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.
+ // 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
+ HeaderInternal->SetEntryByNumber(spp,0x0028,0x0002);
+ HeaderInternal->SetEntryByNumber(photInt,0x0028,0x0004);
+ HeaderInternal->SetEntryByNumber(planConfig,0x0028,0x0006);
+ }
+ PixelRead = 1; // PixelRaw
+ }
+ }
+
+ // We say the value *is* loaded.
+ SetPixelData(pixelData);
+// END PIXELCONVERT CLEANME
+
+ return pixelData;
+}
+
+/**
+ * \brief
+ * Read the pixels from disk (uncompress if necessary),
+ * Transforms YBR pixels, if any, into RGB pixels
+ * Transforms 3 planes R, G, B, if any, into a single RGB Plane
+ * Transforms single Grey plane + 3 Palettes into a RGB Plane
+ * Copies at most MaxSize bytes of pixel data to caller allocated
+ * memory space.
+ * \warning This function allows people that want to build a volume
+ * from an image stack *not to* have, first to get the image pixels,
+ * and then move them to the volume area.
+ * It's absolutely useless for any VTK user since vtk chooses
+ * to invert the lines of an image, that is the last line comes first
+ * (for some axis related reasons?). Hence he will have
+ * to load the image line by line, starting from the end.
+ * VTK users have to call GetImageData
+ *
+ * @param destination Address (in caller's memory space) at which the
+ * pixel data should be copied
+ * @param maxSize Maximum number of bytes to be copied. When MaxSize
+ * is not sufficient to hold the pixel data the copy is not
+ * executed (i.e. no partial copy).
+ * @return On success, the number of bytes actually copied. Zero on
+ * failure e.g. MaxSize is lower than necessary.
+ */
+size_t File::GetImageDataIntoVector (void* destination, size_t maxSize)
+{
+ if ( ! GetDecompressed() )
+ {
+ // If the decompression failed nothing can be done.
+ return 0;
+ }
+
+ if ( HeaderInternal->HasLUT() && PixelConverter->BuildRGBImage() )
+ {
+ if ( PixelConverter->GetRGBSize() > maxSize )
+ {
+ dbg.Verbose(0, "File::GetImageDataIntoVector: pixel data bigger"
+ "than caller's expected MaxSize");
+ return 0;
+ }
+ memcpy( destination,
+ (void*)PixelConverter->GetRGB(),
+ PixelConverter->GetRGBSize() );
+ return PixelConverter->GetRGBSize();
+ }
+
+ // Either no LUT conversion necessary or LUT conversion failed
+ if ( PixelConverter->GetDecompressedSize() > maxSize )
+ {
+ dbg.Verbose(0, "File::GetImageDataIntoVector: pixel data bigger"
+ "than caller's expected MaxSize");
+ return 0;
+ }
+ memcpy( destination,
+ (void*)PixelConverter->GetDecompressed(),
+ PixelConverter->GetDecompressedSize() );
+ return PixelConverter->GetDecompressedSize();
+}
+
+/**
+ * \brief Allocates necessary memory,
+ * Transforms YBR pixels (if any) into RGB pixels
+ * Transforms 3 planes R, G, B (if any) into a single RGB Plane
+ * Copies the pixel data (image[s]/volume[s]) to newly allocated zone.
+ * DOES NOT transform Grey plane + 3 Palettes into a RGB Plane
+ * @return Pointer to newly allocated pixel data.
+ * \ NULL if alloc fails
+ */
+uint8_t* File::GetImageDataRaw ()
+{
+ uint8_t* decompressed = GetDecompressed();
+ if ( ! decompressed )
+ {
+ return 0;
+ }
+
+// PIXELCONVERT CLEANME
+ // Restore the header in a disk-consistent state
+ // (if user asks twice to get the pixels from disk)
+ if ( PixelRead != -1 ) // File was "read" before
+ {
+ RestoreInitialValues();
+ }
+ if ( PixelConverter->IsDecompressedRGB() )
+ {
+ ///////////////////////////////////////////////////
+ // 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.
+ // 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
+ HeaderInternal->SetEntryByNumber(spp,0x0028,0x0002);
+ HeaderInternal->SetEntryByNumber(photInt,0x0028,0x0004);
+ HeaderInternal->SetEntryByNumber(planConfig,0x0028,0x0006);
+ }
+
+ // We say the value *is* loaded.
+/* GetHeader()->SetEntryByNumber( GDCM_BINLOADED,
+ GetHeader()->GetGrPixel(), GetHeader()->GetNumPixel());
+
+ // will be 7fe0, 0010 in standard cases
+ GetHeader()->SetEntryBinAreaByNumber( decompressed,
+ GetHeader()->GetGrPixel(), GetHeader()->GetNumPixel());*/
+ SetPixelData(decompressed);
+
+ PixelRead = 1; // PixelRaw
+// END PIXELCONVERT CLEANME
+
+ return decompressed;
+}
+
+uint8_t* File::GetDecompressed()
+{
+ uint8_t* decompressed = PixelConverter->GetDecompressed();
+ if ( ! decompressed )
+ {
+ // The decompressed image migth not be loaded yet:
+ std::ifstream* fp = HeaderInternal->OpenFile();
+ PixelConverter->ReadAndDecompressPixelData( fp );
+ if(fp) HeaderInternal->CloseFile();
+ decompressed = PixelConverter->GetDecompressed();
+ if ( ! decompressed )
+ {
+ dbg.Verbose(0, "File::GetDecompressed: read/decompress of "
+ "pixel data apparently went wrong.");
+ return 0;
+ }
+ }
+
+ return decompressed;
+}
+
+/**
+ * \brief Points the internal Pixel_Data pointer to the callers inData
+ * image representation, BUT WITHOUT COPYING THE DATA.
+ * 'image' Pixels are presented as C-like 2D arrays : line per line.
+ * 'volume'Pixels are presented as C-like 3D arrays : plane per plane
+ * \warning Since the pixels are not copied, it is the caller's responsability
+ * not to deallocate it's data before gdcm uses them (e.g. with
+ * the Write() method.
+ * @param inData user supplied pixel area
+ * @param expectedSize total image size, in Bytes
+ *
+ * @return boolean
+ */
+bool File::SetImageData(uint8_t* inData, size_t expectedSize)
+{
+ HeaderInternal->SetImageDataSize( expectedSize );
+// FIXME : if already allocated, memory leak !
+ Pixel_Data = inData;
+ ImageDataSize = ImageDataSizeRaw = expectedSize;
+ PixelRead = 1;
+// FIXME : 7fe0, 0010 IS NOT set ...
+ return true;
+}
+
+/**
+ * \brief Writes on disk A SINGLE Dicom file
+ * NO test is performed on processor "Endiannity".
+ * It's up to the user to call his Reader properly
+ * @param fileName name of the file to be created
+ * (any already existing file is over written)
+ * @return false if write fails
+ */
+
+bool File::WriteRawData(std::string const & fileName)
+{
+ std::ofstream fp1(fileName.c_str(), std::ios::out | std::ios::binary );
+ if (!fp1)
+ {
+ dbg.Verbose(2, "Fail to open (write) file:", fileName.c_str());
+ return false;
+ }
+ fp1.write((char*)Pixel_Data, ImageDataSize);
+ fp1.close();
+
+ return true;
+}
+
+/**
+ * \brief Writes on disk A SINGLE Dicom file,
+ * using the Implicit Value Representation convention
+ * NO test is performed on processor "Endiannity".
+ * @param fileName name of the file to be created
+ * (any already existing file is overwritten)
+ * @return false if write fails
+ */
+
+bool File::WriteDcmImplVR (std::string const & fileName)
+{
+ return WriteBase(fileName, ImplicitVR);
+}
+
+/**
+* \brief Writes on disk A SINGLE Dicom file,
+ * using the Explicit Value Representation convention
+ * NO test is performed on processor "Endiannity". * @param fileName name of the file to be created
+ * (any already existing file is overwritten)
+ * @return false if write fails
+ */
+
+bool File::WriteDcmExplVR (std::string const & fileName)
+{
+ return WriteBase(fileName, ExplicitVR);
+}
+
+/**
+ * \brief Writes on disk A SINGLE Dicom file,
+ * using the ACR-NEMA convention
+ * NO test is performed on processor "Endiannity".
+ * (a l'attention des logiciels cliniques
+ * qui ne prennent en entrée QUE des images ACR ...
+ * \warning if a DICOM_V3 header is supplied,
+ * groups < 0x0008 and shadow groups are ignored
+ * \warning NO TEST is performed on processor "Endiannity".
+ * @param fileName name of the file to be created
+ * (any already existing file is overwritten)
+ * @return false if write fails
+ */
+
+bool File::WriteAcr (std::string const & fileName)
+{
+ return WriteBase(fileName, ACR);
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+/**
+ * \brief NOT a end user inteded function
+ * (used by WriteDcmExplVR, WriteDcmImplVR, WriteAcr, etc)
+ * @param fileName name of the file to be created
+ * (any already existing file is overwritten)
+ * @param type file type (ExplicitVR, ImplicitVR, ...)
+ * @return false if write fails
+ */
+bool File::WriteBase (std::string const & fileName, FileType type)
+{
+ if ( PixelRead == -1 && type != ExplicitVR)
+ {
+ return false;
+ }
+
+ std::ofstream* fp1 = new std::ofstream(fileName.c_str(),
+ std::ios::out | std::ios::binary);
+ if (fp1 == NULL)
+ {
+ dbg.Verbose(2, "Failed to open (write) File: " , fileName.c_str());
+ return false;
+ }
+
+ if ( type == ImplicitVR || type == ExplicitVR )
+ {
+ // writing Dicom File Preamble
+ char filePreamble[128];
+ memset(filePreamble, 0, 128);
+ fp1->write(filePreamble, 128);
+ fp1->write("DICM", 4);
+ }
+
+ // --------------------------------------------------------------
+ // Special Patch to allow gdcm to re-write ACR-LibIDO formated images
+ //
+ // if recognition code tells us we dealt with a LibIDO image
+ // we reproduce on disk the switch between lineNumber and columnNumber
+ // just before writting ...
+
+ /// \todo the best trick would be *change* the recognition code
+ /// but pb expected if user deals with, e.g. COMPLEX images
+
+ std::string rows, columns;
+ if ( HeaderInternal->GetFileType() == ACR_LIBIDO)
+ {
+ rows = HeaderInternal->GetEntryByNumber(0x0028, 0x0010);
+ columns = HeaderInternal->GetEntryByNumber(0x0028, 0x0011);
+
+ HeaderInternal->SetEntryByNumber(columns, 0x0028, 0x0010);
+ HeaderInternal->SetEntryByNumber(rows , 0x0028, 0x0011);
+ }
+ // ----------------- End of Special Patch ----------------
+
+ uint16_t grPixel = HeaderInternal->GetGrPixel();
+ uint16_t numPixel = HeaderInternal->GetNumPixel();;
+
+ DocEntry* PixelElement =
+ GetHeader()->GetDocEntryByNumber(grPixel, numPixel);
+
+ if ( PixelRead == 1 )
+ {
+ // we read pixel 'as is' (no tranformation LUT -> RGB)
+ PixelElement->SetLength( ImageDataSizeRaw );
+ }
+ else if ( PixelRead == 0 )
+ {
+ // we tranformed GrayLevel pixels + LUT into RGB Pixel
+ PixelElement->SetLength( ImageDataSize );
+ }
+
+ HeaderInternal->Write(fp1, type);
+
+ // --------------------------------------------------------------
+ // Special Patch to allow gdcm to re-write ACR-LibIDO formated images
+ //
+ // ...and we restore the Header to be Dicom Compliant again
+ // just after writting
+
+ if ( HeaderInternal->GetFileType() == ACR_LIBIDO )
+ {
+ HeaderInternal->SetEntryByNumber(rows , 0x0028, 0x0010);
+ HeaderInternal->SetEntryByNumber(columns, 0x0028, 0x0011);
+ }
+ // ----------------- End of Special Patch ----------------
+ fp1->close ();
+ delete fp1;
+
+ return true;
+}
+
+/**
+ * \brief Access to the underlying \ref PixelConverter RGBA LUT
+ */
+uint8_t* File::GetLutRGBA()
+{
+ return PixelConverter->GetLutRGBA();
+}
+
+//-----------------------------------------------------------------------------
+// Private
+void File::SetPixelData(uint8_t* data)
+{
+ GetHeader()->SetEntryByNumber( GDCM_BINLOADED,
+ GetHeader()->GetGrPixel(), GetHeader()->GetNumPixel());
+
+ // Will be 7fe0, 0010 in standard case
+ DocEntry* currentEntry = GetHeader()->GetDocEntryByNumber(GetHeader()->GetGrPixel(), GetHeader()->GetNumPixel());
+ if ( currentEntry )
+ {
+ if ( BinEntry* binEntry = dynamic_cast<BinEntry *>(currentEntry) )
+ // Flag is to false because datas are kept in the gdcmPixelConvert
+ binEntry->SetBinArea( data, false );
+ }
+}
+
+//-----------------------------------------------------------------------------
+} // end namespace gdcm
+
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff