-// gdcmFile.h
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmFile.h,v $
+ Language: C++
+ Date: $Date: 2004/11/25 10:24:34 $
+ Version: $Revision: 1.76 $
+
+ 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.
+
+=========================================================================*/
#ifndef GDCMFILE_H
#define GDCMFILE_H
#include "gdcmCommon.h"
#include "gdcmHeader.h"
+#include "gdcmPixelConvert.h"
+#include "gdcmDocEntryArchive.h"
-////////////////////////////////////////////////////////////////////////////
-// In addition to Dicom header exploration, this class is designed
-// for accessing the image/volume content. One can also use it to
-// write Dicom files.
-
-class GDCM_EXPORT gdcmFile: public gdcmHeader
+namespace gdcm
{
-private:
- void* PixelData;
- size_t lgrTotale;
- int Parsed; // weather allready parsed
- string OrigFileName; // To avoid file overwrite
- void SwapZone(void* im, int swap, int lgr, int nb);
- bool ReadPixelData(void * destination);
-protected:
- int WriteBase(string FileName, FileType type);
+//-----------------------------------------------------------------------------
+/*
+ * 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 File
+{
+public:
+ enum TWriteMode
+ {
+ WMODE_NATIVE,
+ WMODE_DECOMPRESSED,
+ WMODE_RGB
+ };
+
+ enum TWriteType
+ {
+ WTYPE_IMPL_VR,
+ WTYPE_EXPL_VR,
+ WTYPE_ACR
+ };
+
public:
- gdcmFile(string & filename);
- gdcmFile(const char * filename);
-
- // For promotion (performs a deepcopy of pointed header object)
- // TODO Swig gdcmFile(gdcmHeader* header);
- // TODO Swig ~gdcmFile();
-
- // On writing purposes. When instance was created through
- // gdcmFile(string filename) then the filename argument MUST be different
- // from the constructor's one (no overwriting allowed).
- // TODO Swig int SetFileName(string filename);
-
- void SetPixelDataSizeFromHeader(void);
- // Returns size (in bytes) of required memory to contain data
- // represented in this file.
- size_t GetImageDataSize();
-
- // Allocates necessary memory, copies the data (image[s]/volume[s]) to
- // newly allocated zone and return a pointer to it:
- void * GetImageData();
-
- // Copies (at most MaxSize bytes) of data to caller's memory space.
- // Returns an error code on failure (if MaxSize is not big enough)
- size_t GetImageDataIntoVector(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
- int SetImageData (void * Data, size_t ExpectedSize);
- // When the caller is aware we simply point to the data:
- // TODO int SetImageDataNoCopy (void * Data, size_t ExpectedSize);
- void SetImageDataSize (size_t ExpectedSize);
-
- // Push to disk.
- // A NE PAS OUBLIER : que fait-on en cas de Transfert Syntax (dans l'entete)
- // incohérente avec l'ordre des octets en mémoire
- // TODO Swig int Write();
-
- // Ecrit sur disque les pixels d'UNE image
- // Aucun test n'est fait sur l'"Endiannerie" du processeur.
- // Ca sera à l'utilisateur d'appeler son Reader correctement
-
- int WriteRawData (string nomFichier);
- int WriteDcmImplVR(string nomFichier);
- int WriteDcmImplVR(const char * nomFichier);
- int WriteDcmExplVR(string nomFichier);
- int WriteAcr (string nomFichier);
+ File( Header* header );
+ File( std::string const& filename );
+
+ virtual ~File();
+
+ /// Accessor to \ref Header
+ Header* GetHeader() { return HeaderInternal; }
+
+ size_t GetImageDataSize();
+ size_t GetImageDataRawSize();
+
+ /// Accessor to \ref PixelConverter
+ PixelConvert* GetPixelConverter() { return PixelConverter; };
+
+ uint8_t* GetImageData();
+ uint8_t* GetImageDataRaw();
+ size_t GetImageDataIntoVector(void* destination, size_t maxSize);
+
+ // see also Header::SetImageDataSize ?!?
+ 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);
+ bool Write(std::string const& fileName);
+
+ virtual bool SetEntryByNumber(std::string const& content,
+ uint16_t group, uint16_t element)
+ {
+ HeaderInternal->SetEntryByNumber(content,group,element);
+ return true;
+ }
+ uint8_t* GetLutRGBA();
+
+ // Write mode
+ void SetWriteModeToNative() { SetWriteMode(WMODE_NATIVE); };
+ void SetWriteModeToDecompressed() { SetWriteMode(WMODE_DECOMPRESSED); };
+ void SetWriteModeToRGB() { SetWriteMode(WMODE_RGB); };
+ void SetWriteMode(unsigned int mode) { WriteMode = mode; };
+ unsigned int GetWriteMode() { return WriteMode; };
+
+ // Write format
+ void SetWriteTypeToDcmImplVR() { SetWriteType(WTYPE_EXPL_VR); };
+ void SetWriteTypeToDcmExplVR() { SetWriteType(WTYPE_EXPL_VR); };
+ void SetWriteTypeToAcr() { SetWriteType(WTYPE_ACR); };
+ void SetWriteType(unsigned int format) { WriteType = format; };
+ unsigned int GetWriteType() { return WriteType; };
+
+protected:
+ bool WriteBase(std::string const& fileName, FileType type);
+ bool CheckWriteIntegrity();
+
+ void SetWriteToNative();
+ void SetWriteToDecompressed();
+ void SetWriteToRGB();
+ void RestoreWrite();
+
+ void SetWriteToLibido();
+ void RestoreWriteFromLibido();
+
+ ValEntry* CopyValEntry(uint16_t group,uint16_t element);
+ BinEntry* CopyBinEntry(uint16_t group,uint16_t element);
+
+private:
+ void Initialise();
+
+ uint8_t* GetDecompressed();
+ int ComputeDecompressedPixelDataSizeFromHeader();
+
+ void SetPixelData(uint8_t* data);
+
+private:
+
+// members variables:
+
+ /// Header to use to load the file
+ Header *HeaderInternal;
+
+ /// \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;
+
+ /// Wether already parsed or not
+ bool Parsed;
+
+ /// Utility pixel converter
+ PixelConvert* PixelConverter;
+
+ // Utility header archive
+ DocEntryArchive *Archive;
+
+ // Write variables
+ unsigned int WriteMode;
+ unsigned int WriteType;
+
+/// FIXME
+// --------------- Will be moved to a PixelData class
+//
+
+ /// \brief to hold the Pixels (when read)
+ uint8_t* Pixel_Data; // (was PixelData)
+
+ /// \brief Size (in bytes) of requited memory to hold the the pixels
+ /// of this image in it's RGB convertion either from:
+ /// - Plane R, Plane G, Plane B
+ /// - Grey Plane + Palette Color
+ /// - YBR Pixels (or from RGB Pixels, as well)
+ size_t ImageDataSize;
+
+//
+// --------------- end of future PixelData class
+//
+
};
+} // end namespace gdcm
+//-----------------------------------------------------------------------------
#endif
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