src/gdcmPixelConvert.h

   1 /*=========================================================================
   2
   3   Program:   gdcm
   4   Module:    $RCSfile: gdcmPixelConvert.h,v $
   5   Language:  C++
   6   Date:      $Date: 2004/10/10 16:44:00 $
   7   Version:   $Revision: 1.5 $
   8
   9   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
  10   l'Image). All rights reserved. See Doc/License.txt or
  11   http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
  12
  13      This software is distributed WITHOUT ANY WARRANTY; without even
  14      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  15      PURPOSE.  See the above copyright notices for more information.
  16
  17 =========================================================================*/
  18
  19
  20 #ifndef GDCMPIXELCONVERT_H
  21 #define GDCMPIXELCONVERTL_H
  22
  23 #include "gdcmCommon.h"
  24 #include "gdcmRLEFramesInfo.h"
  25 #include "gdcmJPEGFragmentsInfo.h"
  26 #include "gdcmException.h"
  27
  28 /*
  29  * \brief Utility container for gathering the various forms the pixel data
  30  *        migth take during the user demanded processes.
  31  */
  32 class GDCM_EXPORT gdcmPixelConvert {
  33 friend class gdcmFile;
  34    /// Pixel data represented as RGB after color interpretation
  35    uint8_t* RGB;
  36    size_t   RGBSize;          //aka ImageDataSize
  37    /// Pixel data after decompression and bit/byte rearrangement.
  38    uint8_t* Uncompressed;
  39    size_t   UncompressedSize;
  40 public:
  41    gdcmPixelConvert();
  42    ~gdcmPixelConvert();
  43
  44    uint8_t* GetRGB() { return RGB; }
  45    void     SetRGBSize( size_t size ) { RGBSize = size; }
  46    size_t   GetRGBSize() { return RGBSize; }
  47    void     AllocateRGB();
  48
  49    uint8_t* GetUncompressed() { return Uncompressed; }
  50    void     SetUncompressedSize( size_t size ) { UncompressedSize = size; }
  51    size_t   GetUncompressedSize() { return UncompressedSize; }
  52    void     AllocateUncompressed();
  53
  54    void Squeeze();
  55 //////////////////////////////////////////////////////////
  56 // In progress
  57    static bool UncompressRLE16BitsFromRLE8Bits(
  58                   int XSize,
  59                   int YSize,
  60                   int NumberOfFrames,
  61                   uint8_t* fixMemUncompressed );
  62    static bool ReadAndUncompressRLEFragment(
  63                   uint8_t* decodedZone,
  64                   long fragmentSize,
  65                   long uncompressedSegmentSize,
  66                   FILE* fp );
  67    static bool ReadAndDecompressRLEFile(
  68                   void* image_buffer,
  69                   int XSize,
  70                   int YSize,
  71                   int ZSize,
  72                   int BitsAllocated,
  73                   gdcmRLEFramesInfo* RLEInfo,
  74                   FILE* fp );
  75    static void ConvertDecompress12BitsTo16Bits(
  76                   uint8_t* pixelZone,
  77                   int sizeX,
  78                   int sizeY,
  79                   FILE* filePtr) throw ( gdcmFormatError );
  80    static void SwapZone(void* im, int swap, int lgr, int nb);
  81    static void ConvertReorderEndianity(
  82                   uint8_t* pixelZone,
  83                   size_t imageDataSize,
  84                   int numberBitsStored,
  85                   int numberBitsAllocated,
  86                   int swapCode,
  87                   bool signedPixel );
  88    static bool ReadAndDecompressJPEGFile(
  89                   uint8_t* destination,
  90                   int XSize,
  91                   int YSize,
  92                   int BitsAllocated,
  93                   int BitsStored,
  94                   int SamplesPerPixel,
  95                   int PixelSize,
  96                   bool isJPEG2000,
  97                   bool isJPEGLossless,
  98                   gdcmJPEGFragmentsInfo* JPEGInfo,
  99                   FILE* fp );
 100    static bool gdcmPixelConvert::ConvertReArrangeBits(
 101                   uint8_t* pixelZone,
 102                   size_t imageDataSize,
 103                   int numberBitsStored,
 104                   int numberBitsAllocated,
 105                   int highBitPosition ) throw ( gdcmFormatError );
 106
 107
 108 };
 109
 110 //-----------------------------------------------------------------------------
 111 #endif