-// gdcmFile.h
-//-----------------------------------------------------------------------------
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmFile.h,v $
+ Language: C++
+ Date: $Date: 2004/09/24 11:39:21 $
+ Version: $Revision: 1.51 $
+
+ 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.
+
+ 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
class GDCM_EXPORT gdcmFile
{
public:
- gdcmFile(gdcmHeader *header);
- gdcmFile(std::string & filename);
- gdcmFile(const char * filename);
- virtual ~gdcmFile(void);
-
- gdcmHeader *GetHeader(void);
-
- // 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(std::string filename) then the filename argument MUST be
- // different from the constructor's one (no overwriting allowed).
- // TODO Swig int SetFileName(std::string filename);
-
- void SetPixelDataSizeFromHeader(void);
- size_t GetImageDataSize();
- size_t GetImageDataSizeRaw();
-
- void * GetImageData();
- 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
+ gdcmFile( gdcmHeader *header );
+ gdcmFile( std::string const& filename );
+
+ virtual ~gdcmFile();
+
+ /// 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; };
+
+
+/// \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; };
+
+ uint8_t* GetImageData();
+ size_t GetImageDataIntoVector(void* destination, size_t maxSize);
+ uint8_t* 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
- // voir gdcmHeader::SetImageDataSize ?!?
- bool 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);
-
- // 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();
-
+ // see also gdcmHeader::SetImageDataSize ?!?
+ bool SetImageData (uint8_t* data, size_t expectedSize);
+
+ /// \todo When the caller is aware we simply point to the data:
+ /// int SetImageDataNoCopy (void* 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 fileName);
- bool WriteDcmImplVR(std::string fileName);
- bool WriteDcmImplVR(const char * fileName);
- bool WriteDcmExplVR(std::string fileName);
- bool WriteAcr (std::string fileName);
-
- // Body in file gdcmParse.cxx
- bool ParsePixelData(void);
+ 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;
+ }
protected:
- bool WriteBase(std::string FileName, FileType type);
+ bool WriteBase(std::string const& fileName, FileType type);
private:
void SwapZone(void* im, int swap, int lgr, int nb);
-
- bool ReadPixelData(void * destination);
+
+ 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);
+ bool gdcm_read_JPEG_file (FILE* fp, void* image_buffer);
+ bool gdcm_write_JPEG_file (FILE* fp, void* image_buffer,
+ int image_width, int image_heigh,
+ int quality);
+
// For JPEG 12 Bits, body in file gdcmJpeg12.cxx
- bool gdcm_read_JPEG_file12 (FILE *fp,void * image_buffer);
+ bool gdcm_read_JPEG_file12 (FILE* fp, void* image_buffer);
+ bool gdcm_write_JPEG_file12 (FILE* fp, void* image_buffer,
+ int image_width, int image_height,
+ int quality);
+
// For JPEG 2000, body in file gdcmJpeg2000.cxx
- bool gdcm_read_JPEG2000_file (FILE *fp,void * image_buffer);
+ bool gdcm_read_JPEG2000_file (FILE* fp, void* image_buffer);
+
+ // For Run Length Encoding
+ bool gdcm_read_RLE_file (FILE* fp, void* image_buffer);
+// FIXME : *sure* it's NOT static (C++)
+// (would be static in C, or embedded in ADA)
+// It's NOT a method, but a not user intended fonction.
+// How do we write that in C++ ?)
+ static int gdcm_read_RLE_fragment(char **areaToRead, long lengthToDecode,
+ long uncompressedSegmentSize, FILE* fp);
+
+ void SaveInitialValues(); // will belong to the future gdcmPixelData class
+ void RestoreInitialValues(); // will belong to the future gdcmPixelData class
+ void DeleteInitialValues(); // will belong to the future gdcmPixelData class
+
+// members variables:
- // For Run Length Encoding (TOCHECK)
- bool gdcm_read_RLE_file (FILE *fp,void * image_buffer);
+ /// \brief Header to use to load the file
+ gdcmHeader *Header;
-// Variables
- gdcmHeader *Header; // Header to use to load the file
+ /// \brief Whether the underlying \ref gdcmHeader was loaded by
+ /// the constructor or passed to the constructor. When false
+ /// the destructor is in charge of deletion.
bool SelfHeader;
+
+ /// wether already parsed
+ bool Parsed;
+
+ //
+ // --------------- Will be moved to a gdcmPixelData class
+ //
+
+ /// \brief to hold the Pixels (when read)
+ uint8_t* Pixel_Data; // (was PixelData)
+
+ /// \brief Area length to receive the Gray Level pixels
+ size_t ImageDataSizeRaw;
+
+ /// \brief Area length to receive the pixels making RGB
+ /// from Plane R, Plane G, Plane B
+ /// or from Grey Plane + Palette Color
+ /// or from YBR Pixels (or from RGB Pixels, as well)
+ size_t ImageDataSize;
+
+ /// \brief ==1 if GetImageDataRaw was used
+ /// ==0 if GetImageData was used
+ /// ==-1 if ImageData never read
+ int PixelRead;
+
+ /// \brief length of the last allocated area devoided to receive Pixels
+ /// ( to allow us not to (free + new) if un necessary )
+ size_t LastAllocatedPixelDataLength;
- void* PixelData;
- size_t lgrTotaleRaw; // Area length to receive the pixels
- size_t lgrTotale; // Area length to receive the RGB pixels
- // from Grey Plane + Palette Color
+ // Initial values of some fields that can be modified during reading process
+ // (in a future stage, they will be modified just before the writting process
+ // and restored just after)
+ // 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;
+
+ // Initial values of some fields that can be modified during reading process
+ // (in a future stage, they will be modified just before the writting process
+ // and restored just after)
+ // if the image was a 'strange' ACR-NEMA
+ // (Bits Allocated=12, High Bit not equal to Bits stored +1)
+ /// \brief Bits Allocated (0x0028,0x0100), as found on disk
+ std::string InitialBitsAllocated;
+ /// \brief High Bit (0x0028,0x0102), as found on disk
+ std::string InitialHighBit;
+
+ // some DocEntry that can be moved out of the H table during reading process
+ // (in a future stage, they will be modified just before the writting process
+ // and restored just after)
+ // if user asked to transform gray level + LUT image into RGB image
+ // We keep a pointer on them for a future use.
+
+ /// \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;
+
+ //
+ // --------------- end of future gdcmPixelData class
+ //
- int Parsed; // weather already parsed
- std::string OrigFileName; // To avoid file overwrite
};
//-----------------------------------------------------------------------------
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff