00001 /* 00002 * 00003 * Copyright (C) 1994-2010, 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: dcmdata 00015 * 00016 * Author: Marco Eichelberg 00017 * 00018 * Purpose: DcmOutputBufferStream and related classes, 00019 * implements output to blocks of memory as needed in the dcmnet module. 00020 * 00021 * Last Update: $Author: joergr $ 00022 * Update Date: $Date: 2010-10-14 13:15:41 $ 00023 * CVS/RCS Revision: $Revision: 1.5 $ 00024 * Status: $State: Exp $ 00025 * 00026 * CVS/RCS Log at end of file 00027 * 00028 */ 00029 00030 #ifndef DCOSTRMB_H 00031 #define DCOSTRMB_H 00032 00033 #include "dcmtk/config/osconfig.h" 00034 #include "dcmtk/dcmdata/dcostrma.h" 00035 00039 class DcmBufferConsumer: public DcmConsumer 00040 { 00041 public: 00042 00048 DcmBufferConsumer(void *buf, offile_off_t bufLen); 00049 00051 virtual ~DcmBufferConsumer(); 00052 00057 virtual OFBool good() const; 00058 00063 virtual OFCondition status() const; 00064 00070 virtual OFBool isFlushed() const; 00071 00079 virtual offile_off_t avail() const; 00080 00086 virtual offile_off_t write(const void *buf, offile_off_t buflen); 00087 00093 virtual void flush(); 00094 00102 virtual void flushBuffer(void *& buffer, offile_off_t& length); 00103 00104 private: 00105 00107 DcmBufferConsumer(const DcmBufferConsumer&); 00108 00110 DcmBufferConsumer& operator=(const DcmBufferConsumer&); 00111 00113 unsigned char *buffer_; 00114 00116 offile_off_t bufSize_; 00117 00119 offile_off_t filled_; 00120 00122 OFCondition status_; 00123 }; 00124 00125 00129 class DcmOutputBufferStream: public DcmOutputStream 00130 { 00131 public: 00137 DcmOutputBufferStream(void *buf, offile_off_t bufLen); 00138 00140 virtual ~DcmOutputBufferStream(); 00141 00149 virtual void flushBuffer(void *& buffer, offile_off_t& length); 00150 00151 private: 00152 00154 DcmOutputBufferStream(const DcmOutputBufferStream&); 00155 00157 DcmOutputBufferStream& operator=(const DcmOutputBufferStream&); 00158 00160 DcmBufferConsumer consumer_; 00161 00162 }; 00163 00164 00165 #endif 00166 00167 /* 00168 * CVS/RCS Log: 00169 * $Log: dcostrmb.h,v $ 00170 * Revision 1.5 2010-10-14 13:15:41 joergr 00171 * Updated copyright header. Added reference to COPYRIGHT file. 00172 * 00173 * Revision 1.4 2009-11-04 09:58:07 uli 00174 * Switched to logging mechanism provided by the "new" oflog module 00175 * 00176 * Revision 1.3 2007-02-19 16:06:09 meichel 00177 * Class DcmOutputStream and related classes are now safe for use with 00178 * large files (2 GBytes or more) if supported by compiler and operating system. 00179 * 00180 * Revision 1.2 2005/12/08 16:28:25 meichel 00181 * Changed include path schema for all DCMTK header files 00182 * 00183 * Revision 1.1 2002/08/27 16:55:36 meichel 00184 * Initial release of new DICOM I/O stream classes that add support for stream 00185 * compression (deflated little endian explicit VR transfer syntax) 00186 * 00187 * 00188 */