1 /*=========================================================================
4 Module: $RCSfile: gdcmPixelReadConvert.h,v $
6 Date: $Date: 2005/04/22 13:37:57 $
7 Version: $Revision: 1.20 $
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.
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.
17 =========================================================================*/
20 #ifndef GDCMPIXELREADCONVERT_H
21 #define GDCMPIXELREADCONVERT_H
23 #include "gdcmCommon.h"
25 #include "gdcmException.h"
31 class JPEGFragmentsInfo;
34 * \brief Utility container for gathering the various forms the pixel data
35 * migth take during the user demanded processes.
37 class GDCM_EXPORT PixelReadConvert : public Base
41 virtual ~PixelReadConvert();
43 void Print( std::ostream &os = std::cout, std::string const &indent = "" );
46 uint8_t *GetRGB() { return RGB; }
47 size_t GetRGBSize() { return RGBSize; }
48 uint8_t *GetRaw() { return Raw; }
49 size_t GetRawSize() { return RawSize; }
50 uint8_t *GetLutRGBA() { return LutRGBA; }
56 void GrabInformationsFromFile( File *file );
57 bool ReadAndDecompressPixelData( std::ifstream *fp );
63 void ReadAndDecompress12BitsTo16Bits( std::ifstream *fp )
64 throw ( FormatError );
65 bool ReadAndDecompressJPEGFile( std::ifstream *fp );
67 // In place (within Decompressed and with no fp access) decompression
70 void ConvertSwapZone();
71 void ConvertReorderEndianity();
72 bool ConvertReArrangeBits() throw ( FormatError );
73 void ConvertFixGreyLevels();
74 void ConvertRGBPlanesToRGBPixels();
75 void ConvertYcBcRPlanesToRGBPixels();
76 void ConvertHandleColor();
78 void ComputeRawAndRGBSizes();
83 /// Pixel data represented as RGB after LUT color interpretation.
85 /// Size of RGB image.
87 /// Pixel data after decompression and bit/byte rearrangement.
89 /// Size of Decompressed image.
91 /// \brief Red/Green/Blue/Alpha LookUpTable build out of the
92 /// Red/Green/Blue LUT descriptors (see \ref BuildLUTRGBA ).
96 size_t PixelDataLength;
117 RLEFramesInfo *RLEInfo;
118 JPEGFragmentsInfo *JPEGInfo;
120 // For handling color stage
121 int PlanarConfiguration;
127 // The 3 LUT descriptors may be different:
128 std::string LutRedDescriptor;
129 std::string LutGreenDescriptor;
130 std::string LutBlueDescriptor;
132 uint8_t *LutGreenData;
133 uint8_t *LutBlueData;
136 } // end namespace gdcm
138 //-----------------------------------------------------------------------------