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

00001 /*
00002  *
00003  *  Copyright (C) 1997-2005, OFFIS
00004  *
00005  *  This software and supporting documentation were developed by
00006  *
00007  *    Kuratorium OFFIS e.V.
00008  *    Healthcare Information and Communication Systems
00009  *    Escherweg 2
00010  *    D-26121 Oldenburg, Germany
00011  *
00012  *  THIS SOFTWARE IS MADE AVAILABLE,  AS IS,  AND OFFIS MAKES NO  WARRANTY
00013  *  REGARDING  THE  SOFTWARE,  ITS  PERFORMANCE,  ITS  MERCHANTABILITY  OR
00014  *  FITNESS FOR ANY PARTICULAR USE, FREEDOM FROM ANY COMPUTER DISEASES  OR
00015  *  ITS CONFORMITY TO ANY SPECIFICATION. THE ENTIRE RISK AS TO QUALITY AND
00016  *  PERFORMANCE OF THE SOFTWARE IS WITH THE USER.
00017  *
00018  *  Module:  dcmjpeg
00019  *
00020  *  Author:  Norbert Olges, Marco Eichelberg
00021  *
00022  *  Purpose: compression routines of the IJG JPEG library configured for 12 bits/sample. 
00023  *
00024  *  Last Update:      $Author: meichel $
00025  *  Update Date:      $Date: 2005/12/08 16:59:25 $
00026  *  Source File:      $Source: /share/dicom/cvs-depot/dcmtk/dcmjpeg/include/dcmtk/dcmjpeg/djeijg12.h,v $
00027  *  CVS/RCS Revision: $Revision: 1.3 $
00028  *  Status:           $State: Exp $
00029  *
00030  *  CVS/RCS Log at end of file
00031  *
00032  */
00033 
00034 #ifndef DJEIJG12_H
00035 #define DJEIJG12_H
00036 
00037 #include "dcmtk/config/osconfig.h"
00038 #include "dcmtk/ofstd/oflist.h"
00039 #include "dcmtk/dcmjpeg/djencabs.h"
00040 
00041 extern "C"
00042 {
00043   struct jpeg_compress_struct;
00044   typedef struct jpeg_compress_struct * j_compress_ptr;
00045   struct jpeg_decompress_struct;
00046   typedef struct jpeg_decompress_struct * j_decompress_ptr;
00047 }
00048 
00049 class DJCodecParameter;
00050 
00051 
00055 class DJCompressIJG12Bit: public DJEncoder
00056 {
00057 public:
00058 
00064   DJCompressIJG12Bit(const DJCodecParameter& cp, EJ_Mode mode, Uint8 quality);
00065 
00071   DJCompressIJG12Bit(const DJCodecParameter& cp, EJ_Mode mode, int prediction, int ptrans);
00072 
00074   virtual ~DJCompressIJG12Bit();
00075 
00088   virtual OFCondition encode(
00089     Uint16 columns,
00090     Uint16 rows,
00091     EP_Interpretation interpr,
00092     Uint16 samplesPerPixel,
00093     Uint16 *image_buffer,
00094     Uint8 *&to,
00095     Uint32 &length);
00096 
00109   virtual OFCondition encode(
00110     Uint16 columns,
00111     Uint16 rows,
00112     EP_Interpretation interpr,
00113     Uint16 samplesPerPixel,
00114     Uint8 *image_buffer,
00115     Uint8 *&to,
00116     Uint32 &length);
00117 
00120   virtual Uint16 bytesPerSample() const { return 2; }
00121 
00124   virtual Uint16 bitsPerSample() const { return 12; }
00125 
00130   void initDestination(jpeg_compress_struct *cinfo);
00131 
00136   int emptyOutputBuffer(jpeg_compress_struct *cinfo);
00137 
00142   void termDestination(jpeg_compress_struct *cinfo);
00143     
00148   virtual void outputMessage(void *arg) const;
00149 
00150 private:
00151 
00153   DJCompressIJG12Bit(const DJCompressIJG12Bit&);
00154 
00156   DJCompressIJG12Bit& operator=(const DJCompressIJG12Bit&);
00157 
00159   void cleanup();
00160 
00162   const DJCodecParameter *cparam;
00163   
00165   Uint8 quality;
00166 
00168   int psv;
00169 
00171   int pt;
00172 
00174   EJ_Mode modeofOperation;
00175 
00177   OFList<unsigned char *> pixelDataList;
00178 
00180   size_t bytesInLastBlock;
00181 
00182 };
00183 
00184 #endif
00185 
00186 /*
00187  * CVS/RCS Log
00188  * $Log: djeijg12.h,v $
00189  * Revision 1.3  2005/12/08 16:59:25  meichel
00190  * Changed include path schema for all DCMTK header files
00191  *
00192  * Revision 1.2  2001/11/19 15:13:28  meichel
00193  * Introduced verbose mode in module dcmjpeg. If enabled, warning
00194  *   messages from the IJG library are printed on ofConsole, otherwise
00195  *   the library remains quiet.
00196  *
00197  * Revision 1.1  2001/11/13 15:56:23  meichel
00198  * Initial release of module dcmjpeg
00199  *
00200  *
00201  */