- /*=========================================================================
+/*=========================================================================
Program: gdcm
Module: $RCSfile: gdcmFile.cxx,v $
Language: C++
- Date: $Date: 2004/12/03 11:55:38 $
- Version: $Revision: 1.169 $
+ Date: $Date: 2005/01/20 16:17:00 $
+ Version: $Revision: 1.194 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
=========================================================================*/
-#include "gdcmFile.h"
+#include "gdcmFileHelper.h"
+#include "gdcmGlobal.h"
+#include "gdcmTS.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
//-------------------------------------------------------------------------
// 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).
+ */
+FileHelper::FileHelper( )
+{
+ 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)
* seen as a side effect).
* @param header already built Header
*/
-File::File(Header *header)
+FileHelper::FileHelper(Header *header)
{
HeaderInternal = header;
SelfHeader = false;
* seen as a side effect).
* @param filename file to be opened for parsing
*/
-File::File(std::string const & filename )
+FileHelper::FileHelper(std::string const & filename )
{
HeaderInternal = new Header( filename );
SelfHeader = true;
Initialise();
}
-/**
- * \brief Factorization for various forms of constructors.
- */
-void File::Initialise()
-{
- WriteMode = WMODE_DECOMPRESSED;
- WriteType = WTYPE_IMPL_VR;
-
- PixelReadConverter = new PixelReadConvert;
- PixelWriteConverter = new PixelWriteConvert;
- Archive = new DocEntryArchive( HeaderInternal );
-
- if ( HeaderInternal->IsReadable() )
- {
- PixelReadConverter->GrabInformationsFromHeader( HeaderInternal );
- }
-}
-
/**
* \brief canonical destructor
- * \note If the Header was created by the File constructor,
- * it is destroyed by the File
+ * \note If the header (gdcm::File) was created by the FileHelper constructor,
+ * it is destroyed by the FileHelper
*/
-File::~File()
+FileHelper::~FileHelper()
{
if( PixelReadConverter )
{
//-----------------------------------------------------------------------------
// Print
+void FileHelper::Print(std::ostream &os, std::string const &)
+{
+ 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
+ * (use GetImageDataRawSize if you want to be sure to get *only*
+ * the size of the pixels)
* @return The image size
*/
-size_t File::GetImageDataSize()
+size_t FileHelper::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
+ * If the image could be converted to RGB using a LUT,
+ * this transformation is not taken into account by GetImageDataRawSize
+ * (use GetImageDataSize if you wish)
* @return The raw image size
*/
-size_t File::GetImageDataRawSize()
+size_t FileHelper::GetImageDataRawSize()
{
- return PixelReadConverter->GetDecompressedSize();
+ if ( PixelWriteConverter->GetUserData() )
+ {
+ return PixelWriteConverter->GetUserDataSize();
+ }
+
+ return PixelReadConverter->GetRawSize();
}
/**
* @return Pointer to newly allocated pixel data.
* NULL if alloc fails
*/
-uint8_t* File::GetImageData()
+uint8_t *FileHelper::GetImageData()
{
- if ( ! GetDecompressed() )
+ if ( PixelWriteConverter->GetUserData() )
+ {
+ return PixelWriteConverter->GetUserData();
+ }
+
+ if ( ! GetRaw() )
{
// If the decompression failed nothing can be done.
return 0;
}
else
{
- // When no LUT or LUT conversion fails, return the decompressed
- return PixelReadConverter->GetDecompressed();
+ // 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 *FileHelper::GetImageDataRaw ()
+{
+ return GetRaw();
+}
+
/**
* \brief
* Read the pixels from disk (uncompress if necessary),
* @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)
+size_t FileHelper::GetImageDataIntoVector (void *destination, size_t maxSize)
{
- if ( ! GetDecompressed() )
+ if ( ! GetRaw() )
{
// If the decompression failed nothing can be done.
return 0;
{
if ( PixelReadConverter->GetRGBSize() > maxSize )
{
- dbg.Verbose(0, "File::GetImageDataIntoVector: pixel data bigger"
- "than caller's expected MaxSize");
+ gdcmVerboseMacro( "Pixel data bigger than caller's expected MaxSize");
return 0;
}
memcpy( destination,
}
// Either no LUT conversion necessary or LUT conversion failed
- if ( PixelReadConverter->GetDecompressedSize() > maxSize )
+ if ( PixelReadConverter->GetRawSize() > maxSize )
{
- dbg.Verbose(0, "File::GetImageDataIntoVector: pixel data bigger"
- "than caller's expected MaxSize");
+ gdcmVerboseMacro( "Pixel data bigger than caller's expected MaxSize");
return 0;
}
memcpy( destination,
- (void*)PixelReadConverter->GetDecompressed(),
- PixelReadConverter->GetDecompressedSize() );
- return PixelReadConverter->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 ()
-{
- return GetDecompressed();
-}
-
-uint8_t* File::GetDecompressed()
-{
- uint8_t* decompressed = PixelReadConverter->GetDecompressed();
- if ( ! decompressed )
- {
- // The decompressed image migth not be loaded yet:
- std::ifstream* fp = HeaderInternal->OpenFile();
- PixelReadConverter->ReadAndDecompressPixelData( fp );
- if(fp)
- HeaderInternal->CloseFile();
-
- decompressed = PixelReadConverter->GetDecompressed();
- if ( ! decompressed )
- {
- dbg.Verbose(0, "File::GetDecompressed: read/decompress of "
- "pixel data apparently went wrong.");
- return 0;
- }
- }
-
- return decompressed;
+ (void*)PixelReadConverter->GetRaw(),
+ PixelReadConverter->GetRawSize() );
+ return PixelReadConverter->GetRawSize();
}
/**
*
* @return boolean
*/
-bool File::SetImageData(uint8_t* inData, size_t expectedSize)
+void FileHelper::SetImageData(uint8_t *inData, size_t expectedSize)
{
- PixelWriteConverter->SetUserData(inData,expectedSize);
+ SetUserData(inData,expectedSize);
+}
- return true;
+/**
+ * \brief Set the image datas defined by the user
+ * \warning When writting the file, this datas are get as default datas to write
+ */
+void FileHelper::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 data to write
+ */
+uint8_t *FileHelper::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 data to write
+ */
+size_t FileHelper::GetUserDataSize()
+{
+ return PixelWriteConverter->GetUserDataSize();
+}
+
+/**
+ * \brief Get the image datas from the file.
+ * If a LUT is found, the data are expanded to be RGB
+ */
+uint8_t *FileHelper::GetRGBData()
+{
+ return PixelReadConverter->GetRGB();
+}
+
+/**
+ * \brief Get the image data size from the file.
+ * If a LUT is found, the data are expanded to be RGB
+ */
+size_t FileHelper::GetRGBDataSize()
+{
+ return PixelReadConverter->GetRGBSize();
+}
+
+/**
+ * \brief Get the image datas from the file.
+ * If a LUT is found, the datas are not expanded !
+ */
+uint8_t *FileHelper::GetRawData()
+{
+ return PixelReadConverter->GetRaw();
+}
+
+/**
+ * \brief Get the image data size from the file.
+ * If a LUT is found, the data are not expanded !
+ */
+size_t FileHelper::GetRawDataSize()
+{
+ return PixelReadConverter->GetRawSize();
}
/**
* @return false if write fails
*/
-bool File::WriteRawData(std::string const & fileName)
+bool FileHelper::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());
+ gdcmVerboseMacro( "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->GetDecompressed())
- fp1.write((char*)PixelReadConverter->GetDecompressed(), PixelReadConverter->GetDecompressedSize());
+ 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());
+ }
+ else
+ {
+ gdcmErrorMacro( "Nothing written." );
+ }
fp1.close();
* @return false if write fails
*/
-bool File::WriteDcmImplVR (std::string const & fileName)
+bool FileHelper::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
+ * 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)
+bool FileHelper::WriteDcmExplVR (std::string const &fileName)
{
SetWriteTypeToDcmExplVR();
return Write(fileName);
* @return false if write fails
*/
-bool File::WriteAcr (std::string const & fileName)
+bool FileHelper::WriteAcr (std::string const &fileName)
{
SetWriteTypeToAcr();
return Write(fileName);
}
-bool File::Write(std::string const& fileName)
-{
- switch(WriteType)
- {
- case WTYPE_IMPL_VR:
- return WriteBase(fileName,ImplicitVR);
- case WTYPE_EXPL_VR:
- return WriteBase(fileName,ExplicitVR);
- case WTYPE_ACR:
- return WriteBase(fileName,ACR);
- }
- return(false);
-}
-
-/**
- * \brief Access to the underlying \ref PixelReadConverter RGBA LUT
- */
-uint8_t* File::GetLutRGBA()
-{
- return PixelReadConverter->GetLutRGBA();
-}
-
-//-----------------------------------------------------------------------------
-// Protected
/**
- * \brief NOT a end user inteded function
- * (used by WriteDcmExplVR, WriteDcmImplVR, WriteAcr, etc)
+ * \brief Writes on disk A SINGLE Dicom file,
* @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)
+bool FileHelper::Write(std::string const &fileName)
{
- switch(type)
+ switch(WriteType)
{
case ImplicitVR:
SetWriteFileTypeToImplicitVR();
// 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( type == ACR_LIBIDO )
+ if( WriteType == ACR_LIBIDO )
{
SetWriteToLibido();
}
switch(WriteMode)
{
- case WMODE_DECOMPRESSED :
- SetWriteToDecompressed();
+ case WMODE_RAW :
+ SetWriteToRaw();
break;
case WMODE_RGB :
SetWriteToRGB();
bool check = CheckWriteIntegrity();
if(check)
{
- check = HeaderInternal->Write(fileName,type);
+ check = HeaderInternal->Write(fileName,WriteType);
}
RestoreWrite();
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 elem element number of the Dicom Element to modify
+ */
+bool FileHelper::SetEntry(std::string const &content,
+ uint16_t group, uint16_t elem)
+{
+ return HeaderInternal->SetEntry(content,group,elem);
+}
+
+
+/**
+ * \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 elem element number of the Dicom Element to modify
+ */
+bool FileHelper::SetEntry(uint8_t *content, int lgth,
+ uint16_t group, uint16_t elem)
+{
+ return HeaderInternal->SetEntry(content,lgth,group,elem);
+}
+
+/**
+ * \brief Modifies the value of a given Doc Entry (Dicom Element)
+ * when it exists. Create it with the given value when unexistant.
+ * @param content (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 FileHelper::ReplaceOrCreate(std::string const &content,
+ uint16_t group, uint16_t elem)
+{
+ return HeaderInternal->ReplaceOrCreate(content,group,elem) != 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 FileHelper::ReplaceOrCreate(uint8_t *binArea, int lgth,
+ uint16_t group, uint16_t elem)
+{
+ return HeaderInternal->ReplaceOrCreate(binArea,lgth,group,elem) != NULL;
+}
+
+/**
+ * \brief Access to the underlying \ref PixelReadConverter RGBA LUT
+ */
+uint8_t* FileHelper::GetLutRGBA()
+{
+ return PixelReadConverter->GetLutRGBA();
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+
/**
* \brief Check the write integrity
*
* when the user set an image data
* @return true if the check successfulls
*/
-bool File::CheckWriteIntegrity()
+bool FileHelper::CheckWriteIntegrity()
{
if(PixelWriteConverter->GetUserData())
{
switch(WriteMode)
{
- case WMODE_DECOMPRESSED :
+ case WMODE_RAW :
if( decSize!=PixelWriteConverter->GetUserDataSize() )
{
- dbg.Verbose(0, "File::CheckWriteIntegrity: Data size is incorrect");
+ gdcmVerboseMacro( "Data size is incorrect (Raw)" << decSize
+ << " / " << PixelWriteConverter->GetUserDataSize() );
return false;
}
break;
case WMODE_RGB :
if( rgbSize!=PixelWriteConverter->GetUserDataSize() )
{
- dbg.Verbose(0, "File::CheckWriteIntegrity: Data size is incorrect");
+ gdcmVerboseMacro( "Data size is incorrect (RGB)" << decSize
+ << " / " << PixelWriteConverter->GetUserDataSize() );
return false;
}
break;
return true;
}
-void File::SetWriteToDecompressed()
+/**
+ * \brief
+ */
+void FileHelper::SetWriteToRaw()
{
- if(HeaderInternal->GetNumberOfScalarComponents()==3 && !HeaderInternal->HasLUT())
+ if( HeaderInternal->GetNumberOfScalarComponents() == 3
+ && !HeaderInternal->HasLUT())
{
SetWriteToRGB();
}
else
{
- ValEntry* photInt = CopyValEntry(0x0028,0x0004);
+ ValEntry *photInt = CopyValEntry(0x0028,0x0004);
if(HeaderInternal->HasLUT())
{
photInt->SetValue("PALETTE COLOR ");
- photInt->SetLength(14);
}
else
{
photInt->SetValue("MONOCHROME1 ");
- photInt->SetLength(12);
}
- BinEntry* pixel = CopyBinEntry(GetHeader()->GetGrPixel(),GetHeader()->GetNumPixel());
+ PixelWriteConverter->SetReadData(PixelReadConverter->GetRaw(),
+ PixelReadConverter->GetRawSize());
+
+ BinEntry *pixel =
+ CopyBinEntry(GetHeader()->GetGrPixel(),GetHeader()->GetNumPixel());
pixel->SetValue(GDCM_BINLOADED);
- if(PixelWriteConverter->GetUserData())
- {
- pixel->SetBinArea(PixelWriteConverter->GetUserData(),false);
- pixel->SetLength(PixelWriteConverter->GetUserDataSize());
- }
- else
- {
- pixel->SetBinArea(PixelReadConverter->GetDecompressed(),false);
- pixel->SetLength(PixelReadConverter->GetDecompressedSize());
- }
+ pixel->SetBinArea(PixelWriteConverter->GetData(),false);
+ pixel->SetLength(PixelWriteConverter->GetDataSize());
Archive->Push(photInt);
Archive->Push(pixel);
}
}
-void File::SetWriteToRGB()
+
+/**
+ * \brief
+ */
+void FileHelper::SetWriteToRGB()
{
if(HeaderInternal->GetNumberOfScalarComponents()==3)
{
PixelReadConverter->BuildRGBImage();
- ValEntry* spp = CopyValEntry(0x0028,0x0002);
+ ValEntry *spp = CopyValEntry(0x0028,0x0002);
spp->SetValue("3 ");
- spp->SetLength(2);
- ValEntry* planConfig = CopyValEntry(0x0028,0x0006);
+ ValEntry *planConfig = CopyValEntry(0x0028,0x0006);
planConfig->SetValue("0 ");
- planConfig->SetLength(2);
- ValEntry* photInt = CopyValEntry(0x0028,0x0004);
+ ValEntry *photInt = CopyValEntry(0x0028,0x0004);
photInt->SetValue("RGB ");
- photInt->SetLength(4);
- BinEntry* pixel = CopyBinEntry(GetHeader()->GetGrPixel(),GetHeader()->GetNumPixel());
- pixel->SetValue(GDCM_BINLOADED);
- if(PixelWriteConverter->GetUserData())
+ if(PixelReadConverter->GetRGB())
{
- pixel->SetBinArea(PixelWriteConverter->GetUserData(),false);
- pixel->SetLength(PixelWriteConverter->GetUserDataSize());
+ PixelWriteConverter->SetReadData(PixelReadConverter->GetRGB(),
+ PixelReadConverter->GetRGBSize());
}
- else if(PixelReadConverter->GetRGB())
+ else // Raw data
{
- pixel->SetBinArea(PixelReadConverter->GetRGB(),false);
- pixel->SetLength(PixelReadConverter->GetRGBSize());
- }
- else // Decompressed data
- {
- pixel->SetBinArea(PixelReadConverter->GetDecompressed(),false);
- pixel->SetLength(PixelReadConverter->GetDecompressedSize());
+ 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);
// samples per pixels = 1 (in the read file)
if(HeaderInternal->GetBitsAllocated()==24)
{
- ValEntry* bitsAlloc = CopyValEntry(0x0028,0x0100);
+ ValEntry *bitsAlloc = CopyValEntry(0x0028,0x0100);
bitsAlloc->SetValue("8 ");
- bitsAlloc->SetLength(2);
- ValEntry* bitsStored = CopyValEntry(0x0028,0x0101);
+ ValEntry *bitsStored = CopyValEntry(0x0028,0x0101);
bitsStored->SetValue("8 ");
- bitsStored->SetLength(2);
- ValEntry* highBit = CopyValEntry(0x0028,0x0102);
+ ValEntry *highBit = CopyValEntry(0x0028,0x0102);
highBit->SetValue("7 ");
- highBit->SetLength(2);
Archive->Push(bitsAlloc);
Archive->Push(bitsStored);
}
else
{
- SetWriteToDecompressed();
+ SetWriteToRaw();
}
}
-void File::RestoreWrite()
+/**
+ * \brief
+ */
+void FileHelper::RestoreWrite()
{
Archive->Restore(0x0028,0x0002);
Archive->Restore(0x0028,0x0004);
Archive->Restore(0x0028,0x1203);
}
-void File::SetWriteFileTypeToACR()
+/**
+ * \brief
+ */
+void FileHelper::SetWriteFileTypeToACR()
{
Archive->Push(0x0002,0x0010);
}
-void File::SetWriteFileTypeToExplicitVR()
+/**
+ * \brief
+ */
+void FileHelper::SetWriteFileTypeToExplicitVR()
{
std::string ts = Util::DicomString(
- Document::GetTransferSyntaxValue(ExplicitVRLittleEndian).c_str() );
+ Global::GetTS()->GetSpecialTransferSyntax(TS::ExplicitVRLittleEndian) );
- ValEntry* tss = CopyValEntry(0x0002,0x0010);
+ ValEntry *tss = CopyValEntry(0x0002,0x0010);
tss->SetValue(ts);
- tss->SetLength(ts.length());
Archive->Push(tss);
}
-void File::SetWriteFileTypeToImplicitVR()
+/**
+ * \brief
+ */
+void FileHelper::SetWriteFileTypeToImplicitVR()
{
std::string ts = Util::DicomString(
- Document::GetTransferSyntaxValue(ImplicitVRLittleEndian).c_str() );
+ Global::GetTS()->GetSpecialTransferSyntax(TS::ImplicitVRLittleEndian) );
- ValEntry* tss = CopyValEntry(0x0002,0x0010);
+ ValEntry *tss = CopyValEntry(0x0002,0x0010);
tss->SetValue(ts);
- tss->SetLength(ts.length());
+
+ Archive->Push(tss);
}
-void File::RestoreWriteFileType()
+
+/**
+ * \brief
+ */
+void FileHelper::RestoreWriteFileType()
{
Archive->Restore(0x0002,0x0010);
}
-void File::SetWriteToLibido()
+void FileHelper::SetWriteToLibido()
{
- ValEntry *oldRow = dynamic_cast<ValEntry *>(HeaderInternal->GetDocEntryByNumber(0x0028, 0x0010));
- ValEntry *oldCol = dynamic_cast<ValEntry *>(HeaderInternal->GetDocEntryByNumber(0x0028, 0x0011));
+ ValEntry *oldRow = dynamic_cast<ValEntry *>
+ (HeaderInternal->GetDocEntry(0x0028, 0x0010));
+ ValEntry *oldCol = dynamic_cast<ValEntry *>
+ (HeaderInternal->GetDocEntry(0x0028, 0x0011));
if( oldRow && oldCol )
{
ValEntry *libidoCode = CopyValEntry(0x0008,0x0010);
libidoCode->SetValue("ACRNEMA_LIBIDO_1.1");
- libidoCode->SetLength(10);
Archive->Push(libidoCode);
}
-void File::SetWriteToNoLibido()
+/**
+ * \brief
+ */
+void FileHelper::SetWriteToNoLibido()
{
- ValEntry *recCode = dynamic_cast<ValEntry *>(HeaderInternal->GetDocEntryByNumber(0x0008,0x0010));
+ ValEntry *recCode = dynamic_cast<ValEntry *>
+ (HeaderInternal->GetDocEntry(0x0008,0x0010));
if( recCode )
{
if( recCode->GetValue() == "ACRNEMA_LIBIDO_1.1" )
{
ValEntry *libidoCode = CopyValEntry(0x0008,0x0010);
libidoCode->SetValue("");
- libidoCode->SetLength(0);
Archive->Push(libidoCode);
}
}
}
-void File::RestoreWriteOfLibido()
+/**
+ * \brief
+ */
+void FileHelper::RestoreWriteOfLibido()
{
Archive->Restore(0x0028,0x0010);
Archive->Restore(0x0028,0x0011);
Archive->Restore(0x0008,0x0010);
}
-ValEntry* File::CopyValEntry(uint16_t group,uint16_t element)
+ValEntry *FileHelper::CopyValEntry(uint16_t group,uint16_t elem)
{
- DocEntry* oldE = HeaderInternal->GetDocEntryByNumber(group, element);
- ValEntry* newE;
+ DocEntry *oldE = HeaderInternal->GetDocEntry(group, elem);
+ ValEntry *newE;
if(oldE)
{
}
else
{
- newE = GetHeader()->NewValEntryByNumber(group,element);
+ newE = GetHeader()->NewValEntry(group,elem);
}
- return(newE);
+ return newE;
}
-BinEntry* File::CopyBinEntry(uint16_t group,uint16_t element)
+/**
+ * \brief Modifies the value of a given Bin Entry (Dicom Element)
+ * when it exists. Create it with the given value when unexistant.
+ * @param content (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 Bin Entry (NULL when creation
+ * failed).
+ */
+BinEntry *FileHelper::CopyBinEntry(uint16_t group,uint16_t elem)
{
- DocEntry* oldE = HeaderInternal->GetDocEntryByNumber(group, element);
- BinEntry* newE;
+ DocEntry *oldE = HeaderInternal->GetDocEntry(group, elem);
+ BinEntry *newE;
if(oldE)
{
}
else
{
- newE = GetHeader()->NewBinEntryByNumber(group,element);
+ newE = GetHeader()->NewBinEntry(group,elem);
+ }
+
+ return newE;
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+/**
+ * \brief Factorization for various forms of constructors.
+ */
+void FileHelper::Initialise()
+{
+ WriteMode = WMODE_RAW;
+ WriteType = ExplicitVR;
+
+ PixelReadConverter = new PixelReadConvert;
+ PixelWriteConverter = new PixelWriteConvert;
+ Archive = new DocEntryArchive( HeaderInternal );
+
+ if ( HeaderInternal->IsReadable() )
+ {
+ PixelReadConverter->GrabInformationsFromHeader( HeaderInternal );
+ }
+}
+
+/**
+ * \brief
+ */
+uint8_t *FileHelper::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 )
+ {
+ gdcmVerboseMacro( "Read/decompress of pixel data apparently went wrong.");
+ return 0;
+ }
}
- return(newE);
+ return raw;
}
//-----------------------------------------------------------------------------
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff