Program: gdcm
Module: $RCSfile: gdcmFile.h,v $
Language: C++
- Date: $Date: 2004/09/10 18:54:39 $
- Version: $Revision: 1.45 $
+ Date: $Date: 2004/12/04 09:41:02 $
+ Version: $Revision: 1.84 $
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.htm for details.
+ 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
#define GDCMFILE_H
#include "gdcmCommon.h"
-#include "gdcmHeader.h"
+namespace gdcm
+{
+class Header;
+class ValEntry;
+class BinEntry;
+class PixelReadConvert;
+class PixelWriteConvert;
+class DocEntryArchive;
//-----------------------------------------------------------------------------
/*
* In addition to Dicom header exploration, this class is designed
* for accessing the image/volume content. One can also use it to
* write Dicom/ACR-NEMA/RAW files.
*/
-class GDCM_EXPORT gdcmFile
+class GDCM_EXPORT File
{
public:
- gdcmFile( gdcmHeader *header );
- gdcmFile( std::string const & filename );
+ enum FileMode
+ {
+ WMODE_DECOMPRESSED,
+ WMODE_RGB
+ };
+
+public:
+ File( Header* header );
+ File( std::string const& filename );
- virtual ~gdcmFile();
+ virtual ~File();
/// Accessor to \ref Header
- gdcmHeader* GetHeader() { return Header; }
-
- void SetPixelDataSizeFromHeader();
-
-
-/// \brief Returns the size (in bytes) of required memory to hold
-/// the pixel data represented in this file.
- size_t GetImageDataSize(){ return ImageDataSize; };
+ Header* GetHeader() { return HeaderInternal; }
-
-/// \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-
- size_t GetImageDataSizeRaw(){ return ImageDataSizeRaw; };
+ size_t GetImageDataSize();
+ size_t GetImageDataRawSize();
- void * GetImageData();
+ uint8_t* GetImageData();
+ uint8_t* GetImageDataRaw();
size_t GetImageDataIntoVector(void* destination, size_t maxSize);
- void * GetImageDataRaw();
- size_t GetImageDataIntoVectorRaw(void* destination, size_t maxSize);
-
- // Allocates ExpectedSize bytes of memory at this->Data and copies the
- // pointed data to it. Copying the image might look useless but
- // the caller might destroy it's image (without knowing it: think
- // of a complicated interface where display is done with a library
- // e.g. VTK) before calling the Write
-
- // see also gdcmHeader::SetImageDataSize ?!?
- bool SetImageData (void * data, size_t expectedSize);
- /// \todo When the caller is aware we simply point to the data:
- /// int SetImageDataNoCopy (void * Data, size_t ExpectedSize);
+ bool SetImageData (uint8_t* data, size_t expectedSize);
// Write pixels of ONE image on hard drive
// No test is made on processor "endianity"
// The user must call his reader correctly
- bool WriteRawData (std::string const & fileName);
- bool WriteDcmImplVR(std::string const & fileName);
- bool WriteDcmExplVR(std::string const & fileName);
- bool WriteAcr (std::string const & fileName);
-
- // Don't look any longer for the code :
- // It's in file gdcmParsePixels.cxx
- bool ParsePixelData();
-
- virtual bool SetEntryByNumber(std::string const & content,
- uint16_t group, uint16_t element)
- {
- Header->SetEntryByNumber(content,group,element);
- return true;
- }
-
+ bool WriteRawData (std::string const& fileName);
+ bool WriteDcmImplVR(std::string const& fileName);
+ bool WriteDcmExplVR(std::string const& fileName);
+ bool WriteAcr (std::string const& fileName);
+ bool Write(std::string const& fileName);
+
+ bool SetEntryByNumber(std::string const& content,
+ uint16_t group, uint16_t element);
+ uint8_t* GetLutRGBA();
+
+ // Write mode
+ void SetWriteModeToDecompressed() { SetWriteMode(WMODE_DECOMPRESSED); };
+ void SetWriteModeToRGB() { SetWriteMode(WMODE_RGB); };
+ void SetWriteMode(FileMode mode) { WriteMode = mode; };
+ FileMode GetWriteMode() { return WriteMode; };
+
+ // Write format
+ void SetWriteTypeToDcmImplVR() { SetWriteType(ImplicitVR); };
+ void SetWriteTypeToDcmExplVR() { SetWriteType(ExplicitVR); };
+ void SetWriteTypeToAcr() { SetWriteType(ACR); };
+ void SetWriteTypeToAcrLibido() { SetWriteType(ACR_LIBIDO); };
+ void SetWriteType(FileType format) { WriteType = format; };
+ FileType GetWriteType() { return WriteType; };
+
protected:
- bool WriteBase(std::string const & fileName, FileType type);
+ bool WriteBase(std::string const& fileName);
+ bool CheckWriteIntegrity();
-private:
- void SwapZone(void* im, int swap, int lgr, int nb);
- void gdcmFile::SetInitialValues();
- bool ReadPixelData(void * destination);
-
- // For JPEG 8 Bits, body in file gdcmJpeg.cxx
- bool gdcm_read_JPEG_file (FILE *fp, void * image_buffer);
- static int gdcm_read_RLE_fragment(char **areaToRead, long lengthToDecode,
- long uncompressedSegmentSize, FILE *fp);
+ void SetWriteToDecompressed();
+ void SetWriteToRGB();
+ void RestoreWrite();
- // For JPEG 12 Bits, body in file gdcmJpeg12.cxx
- bool gdcm_read_JPEG_file12 (FILE *fp, void* image_buffer);
+ void SetWriteFileTypeToACR();
+ void SetWriteFileTypeToExplicitVR();
+ void SetWriteFileTypeToImplicitVR();
+ void RestoreWriteFileType();
- // For JPEG 2000, body in file gdcmJpeg2000.cxx
- bool gdcm_read_JPEG2000_file (FILE *fp, void* image_buffer);
+ void SetWriteToLibido();
+ void SetWriteToNoLibido();
+ void RestoreWriteOfLibido();
- // For Run Length Encoding
- bool gdcm_read_RLE_file (FILE *fp, void* image_buffer);
+ ValEntry* CopyValEntry(uint16_t group,uint16_t element);
+ BinEntry* CopyBinEntry(uint16_t group,uint16_t element);
+private:
+ void Initialise();
+
+ uint8_t* GetDecompressed();
+ int ComputeDecompressedPixelDataSizeFromHeader();
+
+private:
// members variables:
- /// \brief Header to use to load the file
- gdcmHeader *Header;
+ /// Header to use to load the file
+ Header *HeaderInternal;
- /// \brief Whether the underlying \ref gdcmHeader was loaded by
+ /// \brief Whether the underlying \ref Header was loaded by
/// the constructor or passed to the constructor. When false
/// the destructor is in charge of deletion.
bool SelfHeader;
-
- /// \brief to hold the Pixels (when read)
- void* Pixel_Data; // (was PixelData; should be removed)
-
- /// \brief Area length to receive the pixels
- size_t ImageDataSizeRaw;
- /// \brief Area length to receive the RGB pixels
- /// from Grey Plane + Palette Color
- size_t ImageDataSize;
-
- /// \brief ==1 if GetImageDataRaw was used
- /// ==0 if GetImageData was used
- /// ==-1 if ImageData never read
- int PixelRead;
-
- /// wether already parsed
+ /// Wether already parsed or not
bool Parsed;
-
- /// \brief length of the last allocated area devoided to receive Pixels
- /// ( to allow us not to (free + new) if un necessary )
- size_t LastAllocatedPixelDataLength;
- // Initial values of some fields that can be modified during reading process
- // if user asked to transform gray level + LUT image into RGB image
-
- /// \brief Samples Per Pixel (0x0028,0x0002), as found on disk
- std::string InitialSpp;
- /// \brief Photometric Interpretation (0x0028,0x0004), as found on disk
- std::string InitialPhotInt;
- /// \brief Planar Configuration (0x0028,0x0006), as found on disk
- std::string InitialPlanConfig;
- /// \brief Bits Allocated (0x0028,0x0100), as found on disk
- std::string InitialBitsAllocated;
-
- // some DocEntry that can be moved ou of the H table during reading process
- // if user asked to transform gray level + LUT image into RGB image
-
- /// \brief Red Palette Color Lookup Table Descriptor 0028 1101 as read
- gdcmDocEntry* InitialRedLUTDescr;
- /// \brief Green Palette Color Lookup Table Descriptor 0028 1102 as read
- gdcmDocEntry* InitialGreenLUTDescr;
- /// \brief Blue Palette Color Lookup Table Descriptor 0028 1103 as read
- gdcmDocEntry* InitialBlueLUTDescr;
-
- /// \brief Red Palette Color Lookup Table Data 0028 1201 as read
- gdcmDocEntry* InitialRedLUTData;
- /// \brief Green Palette Color Lookup Table Data 0028 1202 as read
- gdcmDocEntry* InitialGreenLUTData;
- /// \brief Blue Palette Color Lookup Table Data 0028 1203 as read
- gdcmDocEntry* InitialBlueLUTData;
+ /// Utility pixel converter
+ PixelReadConvert* PixelReadConverter;
+ PixelWriteConvert* PixelWriteConverter;
+
+ // Utility header archive
+ DocEntryArchive *Archive;
+ // Write variables
+ FileMode WriteMode;
+ FileType WriteType;
};
+} // end namespace gdcm
//-----------------------------------------------------------------------------
#endif
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