OFFIS DCMTK: dcmjpeg/include/dcmtk/dcmjpeg/djeijg12.h Source File

00001 /*
00002  *
00003  *  Copyright (C) 1997-2010, OFFIS e.V.
00004  *  All rights reserved.  See COPYRIGHT file for details.
00005  *
00006  *  This software and supporting documentation were developed by
00007  *
00008  *    OFFIS e.V.
00009  *    R&D Division Health
00010  *    Escherweg 2
00011  *    D-26121 Oldenburg, Germany
00012  *
00013  *
00014  *  Module:  dcmjpeg
00015  *
00016  *  Author:  Norbert Olges, Marco Eichelberg
00017  *
00018  *  Purpose: compression routines of the IJG JPEG library configured for 12 bits/sample. 
00019  *
00020  *  Last Update:      $Author: joergr $
00021  *  Update Date:      $Date: 2010-10-14 13:17:17 $
00022  *  CVS/RCS Revision: $Revision: 1.5 $
00023  *  Status:           $State: Exp $
00024  *
00025  *  CVS/RCS Log at end of file
00026  *
00027  */
00028 
00029 #ifndef DJEIJG12_H
00030 #define DJEIJG12_H
00031 
00032 #include "dcmtk/config/osconfig.h"
00033 #include "dcmtk/ofstd/oflist.h"
00034 #include "dcmtk/dcmjpeg/djencabs.h"
00035 
00036 extern "C"
00037 {
00038   struct jpeg_compress_struct;
00039   typedef struct jpeg_compress_struct * j_compress_ptr;
00040   struct jpeg_decompress_struct;
00041   typedef struct jpeg_decompress_struct * j_decompress_ptr;
00042 }
00043 
00044 class DJCodecParameter;
00045 
00046 
00050 class DJCompressIJG12Bit: public DJEncoder
00051 {
00052 public:
00053 
00059   DJCompressIJG12Bit(const DJCodecParameter& cp, EJ_Mode mode, Uint8 quality);
00060 
00066   DJCompressIJG12Bit(const DJCodecParameter& cp, EJ_Mode mode, int prediction, int ptrans);
00067 
00069   virtual ~DJCompressIJG12Bit();
00070 
00083   virtual OFCondition encode(
00084     Uint16 columns,
00085     Uint16 rows,
00086     EP_Interpretation interpr,
00087     Uint16 samplesPerPixel,
00088     Uint16 *image_buffer,
00089     Uint8 *&to,
00090     Uint32 &length);
00091 
00104   virtual OFCondition encode(
00105     Uint16 columns,
00106     Uint16 rows,
00107     EP_Interpretation interpr,
00108     Uint16 samplesPerPixel,
00109     Uint8 *image_buffer,
00110     Uint8 *&to,
00111     Uint32 &length);
00112 
00115   virtual Uint16 bytesPerSample() const { return 2; }
00116 
00119   virtual Uint16 bitsPerSample() const { return 12; }
00120 
00125   void initDestination(jpeg_compress_struct *cinfo);
00126 
00131   int emptyOutputBuffer(jpeg_compress_struct *cinfo);
00132 
00137   void termDestination(jpeg_compress_struct *cinfo);
00138 
00144   virtual void emitMessage(void *arg, int msg_level) const;
00145 
00146 private:
00147 
00149   DJCompressIJG12Bit(const DJCompressIJG12Bit&);
00150 
00152   DJCompressIJG12Bit& operator=(const DJCompressIJG12Bit&);
00153 
00155   void cleanup();
00156 
00158   const DJCodecParameter *cparam;
00159   
00161   Uint8 quality;
00162 
00164   int psv;
00165 
00167   int pt;
00168 
00170   EJ_Mode modeofOperation;
00171 
00173   OFList<unsigned char *> pixelDataList;
00174 
00176   size_t bytesInLastBlock;
00177 
00178 };
00179 
00180 #endif
00181 
00182 /*
00183  * CVS/RCS Log
00184  * $Log: djeijg12.h,v $
00185  * Revision 1.5  2010-10-14 13:17:17  joergr
00186  * Updated copyright header. Added reference to COPYRIGHT file.
00187  *
00188  * Revision 1.4  2009-11-18 16:17:54  uli
00189  * Use more than just the INFO log level.
00190  *
00191  * Revision 1.3  2005-12-08 16:59:25  meichel
00192  * Changed include path schema for all DCMTK header files
00193  *
00194  * Revision 1.2  2001/11/19 15:13:28  meichel
00195  * Introduced verbose mode in module dcmjpeg. If enabled, warning
00196  *   messages from the IJG library are printed on ofConsole, otherwise
00197  *   the library remains quiet.
00198  *
00199  * Revision 1.1  2001/11/13 15:56:23  meichel
00200  * Initial release of module dcmjpeg
00201  *
00202  *
00203  */