Program: gdcm
Module: $RCSfile: gdcmFile.h,v $
Language: C++
- Date: $Date: 2004/07/30 16:09:27 $
- Version: $Revision: 1.40 $
+ Date: $Date: 2004/09/13 07:49:36 $
+ Version: $Revision: 1.47 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
class GDCM_EXPORT gdcmFile
{
public:
- gdcmFile(gdcmHeader *header);
- gdcmFile(std::string const & filename,
- bool exception_on_error = false);
+ gdcmFile( gdcmHeader *header );
+ gdcmFile( std::string const & filename );
virtual ~gdcmFile();
gdcmHeader* GetHeader() { return Header; }
void SetPixelDataSizeFromHeader();
- size_t GetImageDataSize();
- size_t GetImageDataSizeRaw();
+
+
+/// \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; };
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
+ // 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 ?!?
+ // see also gdcmHeader::SetImageDataSize ?!?
bool SetImageData (void * data, size_t expectedSize);
/// \todo When the caller is aware we simply point to the data:
private:
void SwapZone(void* im, int swap, int lgr, int nb);
-
+ void 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);
+
// For JPEG 12 Bits, body in file gdcmJpeg12.cxx
bool gdcm_read_JPEG_file12 (FILE *fp, void* image_buffer);
+
// For JPEG 2000, body in file gdcmJpeg2000.cxx
bool gdcm_read_JPEG2000_file (FILE *fp, void* image_buffer);
- // For Run Length Encoding (TOCHECK)
+ // For Run Length Encoding
bool gdcm_read_RLE_file (FILE *fp, void* image_buffer);
-// Variables
+// members variables:
/// \brief Header to use to load the file
gdcmHeader *Header;
bool SelfHeader;
/// \brief to hold the Pixels (when read)
- void* PixelData;
+ void* Pixel_Data; // (was PixelData; should be removed)
/// \brief Area length to receive the pixels
size_t ImageDataSizeRaw;
/// \brief ==1 if GetImageDataRaw was used
/// ==0 if GetImageData was used
/// ==-1 if ImageData never read
- int PixelRead;
+ int PixelRead;
+
+ /// wether already parsed
+ 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 out of the H table during reading process
+ // 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;
- /// wether already parsed
- int Parsed;
};
//-----------------------------------------------------------------------------
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff