* src/gdcmDocument.cxx ftell() return properly stored in a long (i.e.

[gdcm.git] / src / gdcmPixelConvert.h

diff --git a/src/gdcmPixelConvert.h b/src/gdcmPixelConvert.h
index b9090889a30fa5fb1d2bb0eb6753430c9912a042..74a01d1e0a3625e8dc4fd315d546bfd3c0aa1a37 100644 (file)
--- a/src/gdcmPixelConvert.h
+++ b/src/gdcmPixelConvert.h
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmPixelConvert.h,v $
   Language:  C++
-  Date:      $Date: 2004/10/08 08:56:48 $
-  Version:   $Revision: 1.2 $
+  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
@@ -21,52 +21,117 @@
 #define GDCMPIXELCONVERTL_H
 
 #include "gdcmCommon.h"
+#include "gdcmRLEFramesInfo.h"
+#include "gdcmJPEGFragmentsInfo.h"
+#include "gdcmException.h"
+#include "gdcmHeader.h"
 
+namespace gdcm
+{
+                                                                                
 /*
  * \brief Utility container for gathering the various forms the pixel data
  *        migth take during the user demanded processes.
  */
-class GDCM_EXPORT gdcmPixelConvert {
-friend class gdcmFile;
-   /// 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;
+class GDCM_EXPORT PixelConvert {
 public:
-   gdcmPixelConvert();
-   ~gdcmPixelConvert();
+   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
-bool ReadAndUncompress12Bits( FILE* filePointer,
-                              size_t uncompressedSize,
-                              size_t PixelNumber );
-bool ReadUncompressed( FILE* filePointer,
-                       size_t uncompressedSize,
-                       size_t expectedSize );
-bool ConvertGrayAndLutToRGB( uint8_t *lutRGBA );
-bool ReadAndUncompressRLE8Bits(FILE* fp, size_t uncompressedSize );
-static uint8_t* UncompressRLE16BitsFromRLE8Bits(
-                       int XSize,
-                       int YSize,
-                       int NumberOfFrames,
-                       uint8_t* fixMemUncompressed );
- 
+   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 decompressedSegmentSize,
+                  FILE* fp );
+   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