X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmFile.cxx;h=9974b256579dca5783b03f837c70d5c9441e16b7;hb=922095a0dd56f24d651b36f62256690020937d9a;hp=43804b36618688ba894e783abefa4f94850b8ea6;hpb=d31dacbd4792e49cccecc51ffd9d93fd71541561;p=gdcm.git diff --git a/src/gdcmFile.cxx b/src/gdcmFile.cxx index 43804b36..9974b256 100644 --- a/src/gdcmFile.cxx +++ b/src/gdcmFile.cxx @@ -3,8 +3,8 @@ Program: gdcm Module: $RCSfile: gdcmFile.cxx,v $ Language: C++ - Date: $Date: 2004/12/07 13:39:33 $ - Version: $Revision: 1.173 $ + Date: $Date: 2004/12/10 13:49:07 $ + Version: $Revision: 1.175 $ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image). All rights reserved. See Doc/License.txt or @@ -34,6 +34,26 @@ typedef std::pair 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) @@ -76,24 +96,6 @@ File::File(std::string const & filename ) Initialise(); } -/** - * \brief Factorization for various forms of constructors. - */ -void File::Initialise() -{ - WriteMode = WMODE_DECOMPRESSED; - WriteType = ImplicitVR; - - 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, @@ -135,6 +137,11 @@ File::~File() */ size_t File::GetImageDataSize() { + if ( PixelWriteConverter->GetUserData() ) + { + return PixelWriteConverter->GetUserDataSize(); + } + return PixelReadConverter->GetRGBSize(); } @@ -147,7 +154,12 @@ size_t File::GetImageDataSize() */ size_t File::GetImageDataRawSize() { - return PixelReadConverter->GetDecompressedSize(); + if ( PixelWriteConverter->GetUserData() ) + { + return PixelWriteConverter->GetUserDataSize(); + } + + return PixelReadConverter->GetRawSize(); } /** @@ -162,7 +174,12 @@ size_t File::GetImageDataRawSize() */ uint8_t* File::GetImageData() { - if ( ! GetDecompressed() ) + if ( PixelWriteConverter->GetUserData() ) + { + return PixelWriteConverter->GetUserData(); + } + + if ( ! GetRaw() ) { // If the decompression failed nothing can be done. return 0; @@ -174,11 +191,25 @@ uint8_t* File::GetImageData() } 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* File::GetImageDataRaw () +{ + return GetRaw(); +} + /** * \brief * Read the pixels from disk (uncompress if necessary), @@ -206,7 +237,7 @@ uint8_t* File::GetImageData() */ size_t File::GetImageDataIntoVector (void* destination, size_t maxSize) { - if ( ! GetDecompressed() ) + if ( ! GetRaw() ) { // If the decompression failed nothing can be done. return 0; @@ -227,53 +258,16 @@ size_t File::GetImageDataIntoVector (void* destination, size_t maxSize) } // 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"); 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(); } /** @@ -289,11 +283,72 @@ uint8_t* File::GetDecompressed() * * @return boolean */ -bool File::SetImageData(uint8_t* inData, size_t expectedSize) +void File::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 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(); } /** @@ -318,8 +373,8 @@ bool File::WriteRawData(std::string const & fileName) 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()); + else if(PixelReadConverter->GetRaw()) + fp1.write((char*)PixelReadConverter->GetRaw(), PixelReadConverter->GetRawSize()); fp1.close(); @@ -383,8 +438,19 @@ bool File::Write(std::string const& fileName) bool File::SetEntryByNumber(std::string const& content, uint16_t group, uint16_t element) { - HeaderInternal->SetEntryByNumber(content,group,element); - return true; + return HeaderInternal->SetEntryByNumber(content,group,element); +} + +bool File::SetEntryByNumber(uint8_t* content, int lgth, + uint16_t group, uint16_t element) +{ + return HeaderInternal->SetEntryByNumber(content,lgth,group,element); +} + +bool File::ReplaceOrCreateByNumber(std::string const& content, + uint16_t group, uint16_t element) +{ + return HeaderInternal->ReplaceOrCreateByNumber(content,group,element) != NULL; } /** @@ -443,8 +509,8 @@ bool File::WriteBase (std::string const & fileName) switch(WriteMode) { - case WMODE_DECOMPRESSED : - SetWriteToDecompressed(); + case WMODE_RAW : + SetWriteToRaw(); break; case WMODE_RGB : SetWriteToRGB(); @@ -500,17 +566,21 @@ bool File::CheckWriteIntegrity() switch(WriteMode) { - case WMODE_DECOMPRESSED : + case WMODE_RAW : if( decSize!=PixelWriteConverter->GetUserDataSize() ) { - dbg.Verbose(0, "File::CheckWriteIntegrity: Data size is incorrect"); + 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"); + 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; @@ -520,7 +590,7 @@ bool File::CheckWriteIntegrity() return true; } -void File::SetWriteToDecompressed() +void File::SetWriteToRaw() { if(HeaderInternal->GetNumberOfScalarComponents()==3 && !HeaderInternal->HasLUT()) { @@ -538,8 +608,8 @@ void File::SetWriteToDecompressed() photInt->SetValue("MONOCHROME1 "); } - PixelWriteConverter->SetReadData(PixelReadConverter->GetDecompressed(), - PixelReadConverter->GetDecompressedSize()); + PixelWriteConverter->SetReadData(PixelReadConverter->GetRaw(), + PixelReadConverter->GetRawSize()); BinEntry* pixel = CopyBinEntry(GetHeader()->GetGrPixel(),GetHeader()->GetNumPixel()); pixel->SetValue(GDCM_BINLOADED); @@ -571,10 +641,10 @@ void File::SetWriteToRGB() PixelWriteConverter->SetReadData(PixelReadConverter->GetRGB(), PixelReadConverter->GetRGBSize()); } - else // Decompressed data + else // Raw data { - PixelWriteConverter->SetReadData(PixelReadConverter->GetDecompressed(), - PixelReadConverter->GetDecompressedSize()); + PixelWriteConverter->SetReadData(PixelReadConverter->GetRaw(), + PixelReadConverter->GetRawSize()); } BinEntry* pixel = CopyBinEntry(GetHeader()->GetGrPixel(),GetHeader()->GetNumPixel()); @@ -616,7 +686,7 @@ void File::SetWriteToRGB() } else { - SetWriteToDecompressed(); + SetWriteToRaw(); } } @@ -755,6 +825,49 @@ BinEntry* File::CopyBinEntry(uint16_t group,uint16_t 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