X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmPixelConvert.h;h=74a01d1e0a3625e8dc4fd315d546bfd3c0aa1a37;hb=5bf7c51796867388334836847a6874640bc83f89;hp=0ac94ca4131c66422e41f0da1ff699e8fcfb6e85;hpb=1d69b92978803204089d270599133917d944c651;p=gdcm.git

diff --git a/src/gdcmPixelConvert.h b/src/gdcmPixelConvert.h
index 0ac94ca4..74a01d1e 100644
--- a/src/gdcmPixelConvert.h
+++ b/src/gdcmPixelConvert.h
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmPixelConvert.h,v $
   Language:  C++
-  Date:      $Date: 2004/10/12 04:35:47 $
-  Version:   $Revision: 1.6 $
+  Date:      $Date: 2004/10/20 14:30:40 $
+  Version:   $Revision: 1.11 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -24,91 +24,114 @@
 #include "gdcmRLEFramesInfo.h"
 #include "gdcmJPEGFragmentsInfo.h"
 #include "gdcmException.h"
+#include "gdcmHeader.h"
 
-namespace gdcm 
+namespace gdcm
 {
-
+                                                                                
 /*
  * \brief Utility container for gathering the various forms the pixel data
  *        migth take during the user demanded processes.
  */
 class GDCM_EXPORT PixelConvert {
-friend class File;
-   /// Pixel data represented as RGB after color interpretation
-   uint8_t* RGB;
-   size_t   RGBSize;          //aka ImageDataSize
-   /// Pixel data after decompression and bit/byte rearrangement.
-   uint8_t* Uncompressed;
-   size_t   UncompressedSize;
 public:
    PixelConvert();
    ~PixelConvert();
 
+   //// Getter accessors:
    uint8_t* GetRGB() { return RGB; }
-   void     SetRGBSize( size_t size ) { RGBSize = size; }
    size_t   GetRGBSize() { return RGBSize; }
-   void     AllocateRGB();
+   uint8_t* GetDecompressed() { return Decompressed; }
+   size_t   GetDecompressedSize() { return DecompressedSize; }
+   uint8_t* GetLutRGBA() { return LutRGBA; }
 
-   uint8_t* GetUncompressed() { return Uncompressed; }
-   void     SetUncompressedSize( size_t size ) { UncompressedSize = size; }
-   size_t   GetUncompressedSize() { return UncompressedSize; }
-   void     AllocateUncompressed();
+   //// Predicates:
+   bool IsDecompressedRGB();
+
+   void Print( std::string indent = "", std::ostream &os = std::cout );
 
-   void Squeeze();
-//////////////////////////////////////////////////////////
 // In progress
-   static bool UncompressRLE16BitsFromRLE8Bits(
-                  int XSize,
-                  int YSize,
-                  int NumberOfFrames,
-                  uint8_t* fixMemUncompressed );
-   static bool ReadAndUncompressRLEFragment(
-                  uint8_t* decodedZone,
+   void GrabInformationsFromHeader( Header* header );
+   bool ReadAndDecompressPixelData( FILE* fp );
+   void Squeeze();
+   bool BuildRGBImage( FILE* fp );
+
+private:
+   // Use the fp:
+   bool ReadAndDecompressRLEFragment(
+                  uint8_t* subDecompressed,
                   long fragmentSize,
-                  long uncompressedSegmentSize,
-                  FILE* fp );
-   static bool ReadAndDecompressRLEFile(
-                  void* image_buffer,
-                  int XSize,
-                  int YSize,
-                  int ZSize,
-                  int BitsAllocated,
-                  RLEFramesInfo* RLEInfo,
-                  FILE* fp );
-   static void ConvertDecompress12BitsTo16Bits(
-                  uint8_t* pixelZone,
-                  int sizeX,
-                  int sizeY,
-                  FILE* filePtr) throw ( FormatError );
-   static void SwapZone(void* im, int swap, int lgr, int nb);
-   static void ConvertReorderEndianity(
-                  uint8_t* pixelZone,
-                  size_t imageDataSize,
-                  int numberBitsStored,
-                  int numberBitsAllocated,
-                  int swapCode,
-                  bool signedPixel );
-   static bool ReadAndDecompressJPEGFile(
-                  uint8_t* destination,
-                  int XSize,
-                  int YSize,
-                  int BitsAllocated,
-                  int BitsStored,
-                  int SamplesPerPixel,
-                  int PixelSize,
-                  bool isJPEG2000,
-                  bool isJPEGLossless,
-                  JPEGFragmentsInfo* JPEGInfo,
+                  long decompressedSegmentSize,
                   FILE* fp );
-   static bool PixelConvert::ConvertReArrangeBits(
-                  uint8_t* pixelZone,
-                  size_t imageDataSize,
-                  int numberBitsStored,
-                  int numberBitsAllocated,
-                  int highBitPosition ) throw ( FormatError );
+   void ReadAndDecompress12BitsTo16Bits( FILE* fp ) throw ( FormatError );
+   bool ReadAndDecompressRLEFile( FILE* fp );
+   bool ReadAndDecompressJPEGFile( FILE* fp );
+   void BuildLUTRGBA( FILE* fp );
 
+   // In place (within Decompressed and with no fp access) decompression
+   // or convertion:
+   bool DecompressRLE16BitsFromRLE8Bits( int NumberOfFrames );
+   void ConvertSwapZone();
+   void ConvertReorderEndianity();
+   bool ConvertReArrangeBits() throw ( FormatError );
+   void ConvertRGBPlanesToRGBPixels();
+   void ConvertYcBcRPlanesToRGBPixels();
+   void ConvertHandleColor();
+
+   void ComputeDecompressedAndRGBSizes();
+   void AllocateRGB();
+   void AllocateDecompressed();
+
+// Variables
+   /// Pixel data represented as RGB after LUT color interpretation.
+   uint8_t* RGB;
+   /// Size of \ref RGB image.
+   size_t   RGBSize;
+   /// Pixel data after decompression and bit/byte rearrangement.
+   uint8_t* Decompressed;
+   /// Size of \ref Decompressed image.
+   size_t   DecompressedSize;
+   /// \brief Red/Green/Blue/Alpha LookUpTable build out of the
+   ///        Red/Green/Blue LUT descriptors (see \ref BuildLUTRGBA ).
+   uint8_t* LutRGBA;
+
+   size_t PixelOffset;
+   size_t PixelDataLength;
+   int XSize;
+   int YSize;
+   int ZSize;
+   int BitsAllocated;
+   int BitsStored;
+   int HighBitPosition;
+   int SamplesPerPixel;
+   int PixelSize;
+   bool PixelSign;
+   int SwapCode;
+
+   bool IsDecompressed;
+   bool IsJPEG2000;
+   bool IsJPEGLossless;
+   bool IsRLELossless;
+
+   RLEFramesInfo* RLEInfo;
+   JPEGFragmentsInfo* JPEGInfo;
+
+   // For handling color stage
+   int PlanarConfiguration;
+   bool IsMonochrome;
+   bool IsPaletteColor;
+   bool IsYBRFull;
+   bool HasLUT;
+   // The 3 LUT descriptors may be different:
+   std::string LutRedDescriptor;
+   std::string LutGreenDescriptor;
+   std::string LutBlueDescriptor;
+   uint8_t* LutRedData;
+   uint8_t* LutGreenData;
+   uint8_t* LutBlueData;
 
 };
 } // end namespace gdcm
+
 //-----------------------------------------------------------------------------
 #endif