-#include "gdcm.h"
+ /*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmFile.cxx,v $
+ Language: C++
+ Date: $Date: 2005/01/06 14:49:16 $
+ Version: $Revision: 1.181 $
+
+ 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.
+
+=========================================================================*/
-gdcmFile::gdcmFile(string & filename)
- :gdcmHeader(filename.c_str())
+#include "gdcmFile.h"
+#include "gdcmDocument.h"
+#include "gdcmDebug.h"
+#include "gdcmUtil.h"
+#include "gdcmBinEntry.h"
+#include "gdcmHeader.h"
+#include "gdcmPixelReadConvert.h"
+#include "gdcmPixelWriteConvert.h"
+#include "gdcmDocEntryArchive.h"
+
+#include <fstream>
+
+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
+ * one sets an a posteriori shadow dictionary (efficiency can be
+ * seen as a side effect).
+ */
+File::File( )
+{
+ HeaderInternal = new Header( );
+ SelfHeader = true;
+ 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
+ * 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 canonical destructor
+ * \note If the Header was created by the File constructor,
+ * it is destroyed by the File
+ */
+File::~File()
+{
+ if( PixelReadConverter )
+ {
+ delete PixelReadConverter;
+ }
+ if( PixelWriteConverter )
+ {
+ delete PixelWriteConverter;
+ }
+ if( Archive )
+ {
+ delete Archive;
+ }
+
+ if( SelfHeader )
+ {
+ delete HeaderInternal;
+ }
+ HeaderInternal = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Print
+void File::Print(std::ostream &os)
+{
+ HeaderInternal->SetPrintLevel(PrintLevel);
+ HeaderInternal->Print(os);
+
+ PixelReadConverter->SetPrintLevel(PrintLevel);
+ PixelReadConverter->Print(os);
+}
+
+//-----------------------------------------------------------------------------
+// Public
+/**
+ * \brief Get the size of the image data
+ *
+ * If the image can be RGB (with a lut or by default), the size
+ * corresponds to the RGB image
+ * @return The image size
+ */
+size_t File::GetImageDataSize()
+{
+ if ( PixelWriteConverter->GetUserData() )
+ {
+ return PixelWriteConverter->GetUserDataSize();
+ }
+
+ return PixelReadConverter->GetRGBSize();
+}
+
+/**
+ * \brief Get the size of the image data
+ *
+ * If the image can be RGB by transformation in a LUT, this
+ * transformation isn't considered
+ * @return The raw image size
+ */
+size_t File::GetImageDataRawSize()
+{
+ if ( PixelWriteConverter->GetUserData() )
+ {
+ return PixelWriteConverter->GetUserDataSize();
+ }
+
+ return PixelReadConverter->GetRawSize();
+}
+
+/**
+ * \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 ( PixelWriteConverter->GetUserData() )
+ {
+ return PixelWriteConverter->GetUserData();
+ }
+
+ if ( ! GetRaw() )
+ {
+ // If the decompression failed nothing can be done.
+ return 0;
+ }
+
+ if ( HeaderInternal->HasLUT() && PixelReadConverter->BuildRGBImage() )
+ {
+ return PixelReadConverter->GetRGB();
+ }
+ else
+ {
+ // When no LUT or LUT conversion fails, return the Raw
+ return PixelReadConverter->GetRaw();
+ }
+}
+
+/**
+ * \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 ()
+{
+ return GetRaw();
+}
+
+/**
+ * \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 ( ! GetRaw() )
+ {
+ // If the decompression failed nothing can be done.
+ return 0;
+ }
+
+ if ( HeaderInternal->HasLUT() && PixelReadConverter->BuildRGBImage() )
+ {
+ if ( PixelReadConverter->GetRGBSize() > maxSize )
+ {
+ dbg.Verbose(0, "File::GetImageDataIntoVector: pixel data bigger"
+ "than caller's expected MaxSize");
+ return 0;
+ }
+ memcpy( destination,
+ (void*)PixelReadConverter->GetRGB(),
+ PixelReadConverter->GetRGBSize() );
+ return PixelReadConverter->GetRGBSize();
+ }
+
+ // Either no LUT conversion necessary or LUT conversion failed
+ if ( PixelReadConverter->GetRawSize() > maxSize )
+ {
+ dbg.Verbose(0, "File::GetImageDataIntoVector: pixel data bigger"
+ "than caller's expected MaxSize");
+ return 0;
+ }
+ memcpy( destination,
+ (void*)PixelReadConverter->GetRaw(),
+ PixelReadConverter->GetRawSize() );
+ return PixelReadConverter->GetRawSize();
+}
+
+/**
+ * \brief Points the internal 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
+ */
+void File::SetImageData(uint8_t* inData, size_t expectedSize)
+{
+ SetUserData(inData,expectedSize);
+}
+
+/**
+ * \brief Set the image datas defined by the user
+ * \warning When writting the file, this datas are get as default datas to write
+ */
+void File::SetUserData(uint8_t* data, size_t expectedSize)
+{
+ PixelWriteConverter->SetUserData(data,expectedSize);
+}
+
+/**
+ * \brief Get the image datas defined by the user
+ * \warning When writting the file, this datas are get as default datas to write
+ */
+uint8_t* File::GetUserData()
{
-
+ return PixelWriteConverter->GetUserData();
}
+
+/**
+ * \brief Get the image data size defined by the user
+ * \warning When writting the file, this datas are get as default datas to write
+ */
+size_t File::GetUserDataSize()
+{
+ return PixelWriteConverter->GetUserDataSize();
+}
+
+/**
+ * \brief Get the image datas from the file.
+ * If a LUT is found, the datas are expanded to be RGB
+ */
+uint8_t* File::GetRGBData()
+{
+ return PixelReadConverter->GetRGB();
+}
+
+/**
+ * \brief Get the image data size from the file.
+ * If a LUT is found, the datas are expanded to be RGB
+ */
+size_t File::GetRGBDataSize()
+{
+ return PixelReadConverter->GetRGBSize();
+}
+
+/**
+ * \brief Get the image datas from the file.
+ * If a LUT is found, the datas are not expanded !
+ */
+uint8_t* File::GetRawData()
+{
+ return PixelReadConverter->GetRaw();
+}
+
+/**
+ * \brief Get the image data size from the file.
+ * If a LUT is found, the datas are not expanded !
+ */
+size_t File::GetRawDataSize()
+{
+ return PixelReadConverter->GetRawSize();
+}
+
+/**
+ * \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;
+ }
+
+ if(PixelWriteConverter->GetUserData())
+ fp1.write((char*)PixelWriteConverter->GetUserData(), PixelWriteConverter->GetUserDataSize());
+ else if(PixelReadConverter->GetRGB())
+ fp1.write((char*)PixelReadConverter->GetRGB(), PixelReadConverter->GetRGBSize());
+ else if(PixelReadConverter->GetRaw())
+ fp1.write((char*)PixelReadConverter->GetRaw(), PixelReadConverter->GetRawSize());
+
+ 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)
+{
+ SetWriteTypeToDcmImplVR();
+ return Write(fileName);
+}
+
+/**
+* \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)
+{
+ SetWriteTypeToDcmExplVR();
+ return Write(fileName);
+}
+
+/**
+ * \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)
+{
+ SetWriteTypeToAcr();
+ return Write(fileName);
+}
+
+/**
+ * \brief Writes on disk A SINGLE Dicom file,
+ * @param fileName name of the file to be created
+ * (any already existing file is overwritten)
+ * @return false if write fails
+ */
+bool File::Write(std::string const& fileName)
+{
+ switch(WriteType)
+ {
+ case ImplicitVR:
+ SetWriteFileTypeToImplicitVR();
+ break;
+ case ExplicitVR:
+ SetWriteFileTypeToExplicitVR();
+ break;
+ case ACR:
+ case ACR_LIBIDO:
+ SetWriteFileTypeToACR();
+ break;
+ default:
+ SetWriteFileTypeToExplicitVR();
+ }
+
+ // --------------------------------------------------------------
+ // 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
+ if( WriteType == ACR_LIBIDO )
+ {
+ SetWriteToLibido();
+ }
+ else
+ {
+ SetWriteToNoLibido();
+ }
+ // ----------------- End of Special Patch ----------------
+
+ switch(WriteMode)
+ {
+ case WMODE_RAW :
+ SetWriteToRaw();
+ break;
+ case WMODE_RGB :
+ SetWriteToRGB();
+ break;
+ }
+
+ bool check = CheckWriteIntegrity();
+ if(check)
+ {
+ check = HeaderInternal->Write(fileName,WriteType);
+ }
+
+ RestoreWrite();
+ RestoreWriteFileType();
+
+ // --------------------------------------------------------------
+ // 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
+ RestoreWriteOfLibido();
+ // ----------------- End of Special Patch ----------------
+
+ return check;
+}
+
+/**
+ * \brief Accesses an existing DocEntry (i.e. a Dicom Element)
+ * through it's (group, element) and modifies it's content with
+ * the given value.
+ * @param content new value (string) to substitute with
+ * @param group group number of the Dicom Element to modify
+ * @param element element number of the Dicom Element to modify
+ */
+bool File::SetEntryByNumber(std::string const& content,
+ uint16_t group, uint16_t element)
+{
+ return HeaderInternal->SetEntryByNumber(content,group,element);
+}
+
+
+/**
+ * \brief Accesses an existing DocEntry (i.e. a Dicom Element)
+ * through it's (group, element) and modifies it's content with
+ * the given value.
+ * @param content new value (void* -> uint8_t*) to substitute with
+ * @param lgth new value length
+ * @param group group number of the Dicom Element to modify
+ * @param element element number of the Dicom Element to modify
+ */
+bool File::SetEntryByNumber(uint8_t* content, int lgth,
+ uint16_t group, uint16_t element)
+{
+ return HeaderInternal->SetEntryByNumber(content,lgth,group,element);
+}
+
+/**
+ * \brief Modifies the value of a given Doc Entry (Dicom Element)
+ * when it exists. Create it with the given value when unexistant.
+ * @param value (string) Value to be set
+ * @param group Group number of the Entry
+ * @param elem Element number of the Entry
+ * \return pointer to the modified/created Header Entry (NULL when creation
+ * failed).
+ */
+bool File::ReplaceOrCreateByNumber(std::string const& content,
+ uint16_t group, uint16_t element)
+{
+ return HeaderInternal->ReplaceOrCreateByNumber(content,group,element) != NULL;
+}
+
+/*
+ * \brief Modifies the value of a given Header Entry (Dicom Element)
+ * when it exists. Create it with the given value when unexistant.
+ * A copy of the binArea is made to be kept in the Document.
+ * @param binArea (binary) value to be set
+ * @param Group Group number of the Entry
+ * @param Elem Element number of the Entry
+ * \return pointer to the modified/created Header Entry (NULL when creation
+ * failed).
+ */
+bool File::ReplaceOrCreateByNumber(uint8_t* binArea, int lgth,
+ uint16_t group, uint16_t element)
+{
+ return HeaderInternal->ReplaceOrCreateByNumber(binArea,lgth,group,element) != NULL;
+}
+
+/**
+ * \brief Access to the underlying \ref PixelReadConverter RGBA LUT
+ */
+uint8_t* File::GetLutRGBA()
+{
+ return PixelReadConverter->GetLutRGBA();
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+
+/**
+ * \brief Check the write integrity
+ *
+ * The tests made are :
+ * - verify the size of the image to write with the possible write
+ * when the user set an image data
+ * @return true if the check successfulls
+ */
+bool File::CheckWriteIntegrity()
+{
+ if(PixelWriteConverter->GetUserData())
+ {
+ int numberBitsAllocated = HeaderInternal->GetBitsAllocated();
+ if ( numberBitsAllocated == 0 || numberBitsAllocated == 12 )
+ {
+ numberBitsAllocated = 16;
+ }
+
+ size_t decSize = HeaderInternal->GetXSize()
+ * HeaderInternal->GetYSize()
+ * HeaderInternal->GetZSize()
+ * ( numberBitsAllocated / 8 )
+ * HeaderInternal->GetSamplesPerPixel();
+ size_t rgbSize = decSize;
+ if( HeaderInternal->HasLUT() )
+ rgbSize = decSize * 3;
+
+ switch(WriteMode)
+ {
+ case WMODE_RAW :
+ if( decSize!=PixelWriteConverter->GetUserDataSize() )
+ {
+ dbg.Verbose(0, "File::CheckWriteIntegrity: Data size is incorrect (Raw)");
+ //std::cerr << "File::CheckWriteIntegrity: Data size is incorrect (Raw)\n"
+ // << decSize << " / " << PixelWriteConverter->GetUserDataSize() << "\n";
+ return false;
+ }
+ break;
+ case WMODE_RGB :
+ if( rgbSize!=PixelWriteConverter->GetUserDataSize() )
+ {
+ dbg.Verbose(0, "File::CheckWriteIntegrity: Data size is incorrect (RGB)");
+ //std::cerr << "File::CheckWriteIntegrity: Data size is incorrect (RGB)\n"
+ // << decSize << " / " << PixelWriteConverter->GetUserDataSize() << "\n";
+ return false;
+ }
+ break;
+ }
+ }
+
+ return true;
+}
+
+void File::SetWriteToRaw()
+{
+ if(HeaderInternal->GetNumberOfScalarComponents()==3 && !HeaderInternal->HasLUT())
+ {
+ SetWriteToRGB();
+ }
+ else
+ {
+ ValEntry* photInt = CopyValEntry(0x0028,0x0004);
+ if(HeaderInternal->HasLUT())
+ {
+ photInt->SetValue("PALETTE COLOR ");
+ }
+ else
+ {
+ photInt->SetValue("MONOCHROME1 ");
+ }
+
+ PixelWriteConverter->SetReadData(PixelReadConverter->GetRaw(),
+ PixelReadConverter->GetRawSize());
+
+ BinEntry* pixel = CopyBinEntry(GetHeader()->GetGrPixel(),GetHeader()->GetNumPixel());
+ pixel->SetValue(GDCM_BINLOADED);
+ pixel->SetBinArea(PixelWriteConverter->GetData(),false);
+ pixel->SetLength(PixelWriteConverter->GetDataSize());
+
+ Archive->Push(photInt);
+ Archive->Push(pixel);
+ }
+}
+
+void File::SetWriteToRGB()
+{
+ if(HeaderInternal->GetNumberOfScalarComponents()==3)
+ {
+ PixelReadConverter->BuildRGBImage();
+
+ ValEntry* spp = CopyValEntry(0x0028,0x0002);
+ spp->SetValue("3 ");
+
+ ValEntry* planConfig = CopyValEntry(0x0028,0x0006);
+ planConfig->SetValue("0 ");
+
+ ValEntry* photInt = CopyValEntry(0x0028,0x0004);
+ photInt->SetValue("RGB ");
+
+ if(PixelReadConverter->GetRGB())
+ {
+ PixelWriteConverter->SetReadData(PixelReadConverter->GetRGB(),
+ PixelReadConverter->GetRGBSize());
+ }
+ else // Raw data
+ {
+ PixelWriteConverter->SetReadData(PixelReadConverter->GetRaw(),
+ PixelReadConverter->GetRawSize());
+ }
+
+ BinEntry* pixel = CopyBinEntry(GetHeader()->GetGrPixel(),GetHeader()->GetNumPixel());
+ pixel->SetValue(GDCM_BINLOADED);
+ pixel->SetBinArea(PixelWriteConverter->GetData(),false);
+ pixel->SetLength(PixelWriteConverter->GetDataSize());
+
+ Archive->Push(spp);
+ Archive->Push(planConfig);
+ Archive->Push(photInt);
+ Archive->Push(pixel);
+
+ // Remove any LUT
+ Archive->Push(0x0028,0x1101);
+ Archive->Push(0x0028,0x1102);
+ Archive->Push(0x0028,0x1103);
+ Archive->Push(0x0028,0x1201);
+ Archive->Push(0x0028,0x1202);
+ Archive->Push(0x0028,0x1203);
+
+ // For old ACR-NEMA
+ // Thus, we have a RGB image and the bits allocated = 24 and
+ // samples per pixels = 1 (in the read file)
+ if(HeaderInternal->GetBitsAllocated()==24)
+ {
+ ValEntry* bitsAlloc = CopyValEntry(0x0028,0x0100);
+ bitsAlloc->SetValue("8 ");
+
+ ValEntry* bitsStored = CopyValEntry(0x0028,0x0101);
+ bitsStored->SetValue("8 ");
+
+ ValEntry* highBit = CopyValEntry(0x0028,0x0102);
+ highBit->SetValue("7 ");
+
+ Archive->Push(bitsAlloc);
+ Archive->Push(bitsStored);
+ Archive->Push(highBit);
+ }
+ }
+ else
+ {
+ SetWriteToRaw();
+ }
+}
+
+void File::RestoreWrite()
+{
+ Archive->Restore(0x0028,0x0002);
+ Archive->Restore(0x0028,0x0004);
+ Archive->Restore(0x0028,0x0006);
+ Archive->Restore(GetHeader()->GetGrPixel(),GetHeader()->GetNumPixel());
+
+ // For old ACR-NEMA (24 bits problem)
+ Archive->Restore(0x0028,0x0100);
+ Archive->Restore(0x0028,0x0101);
+ Archive->Restore(0x0028,0x0102);
+
+ // For the LUT
+ Archive->Restore(0x0028,0x1101);
+ Archive->Restore(0x0028,0x1102);
+ Archive->Restore(0x0028,0x1103);
+ Archive->Restore(0x0028,0x1201);
+ Archive->Restore(0x0028,0x1202);
+ Archive->Restore(0x0028,0x1203);
+}
+
+void File::SetWriteFileTypeToACR()
+{
+ Archive->Push(0x0002,0x0010);
+}
+
+void File::SetWriteFileTypeToExplicitVR()
+{
+ std::string ts = Util::DicomString(
+ Document::GetTransferSyntaxValue(ExplicitVRLittleEndian).c_str() );
+
+ ValEntry* tss = CopyValEntry(0x0002,0x0010);
+ tss->SetValue(ts);
+
+ Archive->Push(tss);
+}
+
+void File::SetWriteFileTypeToImplicitVR()
+{
+ std::string ts = Util::DicomString(
+ Document::GetTransferSyntaxValue(ImplicitVRLittleEndian).c_str() );
+
+ ValEntry* tss = CopyValEntry(0x0002,0x0010);
+ tss->SetValue(ts);
+
+ Archive->Push(tss);
+}
+
+void File::RestoreWriteFileType()
+{
+ Archive->Restore(0x0002,0x0010);
+}
+
+void File::SetWriteToLibido()
+{
+ ValEntry *oldRow = dynamic_cast<ValEntry *>
+ (HeaderInternal->GetDocEntryByNumber(0x0028, 0x0010));
+ ValEntry *oldCol = dynamic_cast<ValEntry *>
+ (HeaderInternal->GetDocEntryByNumber(0x0028, 0x0011));
+
+ if( oldRow && oldCol )
+ {
+ std::string rows, columns;
+
+ ValEntry *newRow=new ValEntry(oldRow->GetDictEntry());
+ ValEntry *newCol=new ValEntry(oldCol->GetDictEntry());
+
+ newRow->Copy(oldCol);
+ newCol->Copy(oldRow);
+
+ newRow->SetValue(oldCol->GetValue());
+ newCol->SetValue(oldRow->GetValue());
+
+ Archive->Push(newRow);
+ Archive->Push(newCol);
+ }
+
+ ValEntry *libidoCode = CopyValEntry(0x0008,0x0010);
+ libidoCode->SetValue("ACRNEMA_LIBIDO_1.1");
+ Archive->Push(libidoCode);
+}
+
+void File::SetWriteToNoLibido()
+{
+ ValEntry *recCode = dynamic_cast<ValEntry *>
+ (HeaderInternal->GetDocEntryByNumber(0x0008,0x0010));
+ if( recCode )
+ {
+ if( recCode->GetValue() == "ACRNEMA_LIBIDO_1.1" )
+ {
+ ValEntry *libidoCode = CopyValEntry(0x0008,0x0010);
+ libidoCode->SetValue("");
+ Archive->Push(libidoCode);
+ }
+ }
+}
+
+void File::RestoreWriteOfLibido()
+{
+ Archive->Restore(0x0028,0x0010);
+ Archive->Restore(0x0028,0x0011);
+ Archive->Restore(0x0008,0x0010);
+}
+
+ValEntry* File::CopyValEntry(uint16_t group,uint16_t element)
+{
+ DocEntry* oldE = HeaderInternal->GetDocEntryByNumber(group, element);
+ ValEntry* newE;
+
+ if(oldE)
+ {
+ newE = new ValEntry(oldE->GetDictEntry());
+ newE->Copy(oldE);
+ }
+ else
+ {
+ newE = GetHeader()->NewValEntryByNumber(group,element);
+ }
+
+ return(newE);
+}
+
+BinEntry* File::CopyBinEntry(uint16_t group,uint16_t element)
+{
+ DocEntry* oldE = HeaderInternal->GetDocEntryByNumber(group, element);
+ BinEntry* newE;
+
+ if(oldE)
+ {
+ newE = new BinEntry(oldE->GetDictEntry());
+ newE->Copy(oldE);
+ }
+ else
+ {
+ newE = GetHeader()->NewBinEntryByNumber(group,element);
+ }
+
+ return(newE);
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+/**
+ * \brief Factorization for various forms of constructors.
+ */
+void File::Initialise()
+{
+ WriteMode = WMODE_RAW;
+ WriteType = ExplicitVR;
+
+ PixelReadConverter = new PixelReadConvert;
+ PixelWriteConverter = new PixelWriteConvert;
+ Archive = new DocEntryArchive( HeaderInternal );
+
+ if ( HeaderInternal->IsReadable() )
+ {
+ PixelReadConverter->GrabInformationsFromHeader( HeaderInternal );
+ }
+}
+
+uint8_t* File::GetRaw()
+{
+ uint8_t* raw = PixelReadConverter->GetRaw();
+ if ( ! raw )
+ {
+ // The Raw image migth not be loaded yet:
+ std::ifstream* fp = HeaderInternal->OpenFile();
+ PixelReadConverter->ReadAndDecompressPixelData( fp );
+ if(fp)
+ HeaderInternal->CloseFile();
+
+ raw = PixelReadConverter->GetRaw();
+ if ( ! raw )
+ {
+ dbg.Verbose(0, "File::GetRaw: read/decompress of "
+ "pixel data apparently went wrong.");
+ return 0;
+ }
+ }
+
+ return raw;
+}
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
+} // end namespace gdcm
+
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff