ProgressOutput.h

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00001 /*
00002  * steghide 0.5.1 - a steganography program
00003  * Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at>
00004  *
00005  * This program is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU General Public License
00007  * as published by the Free Software Foundation; either version 2
00008  * of the License, or (at your option) any later version.
00009  *
00010  * This program is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  * GNU General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with this program; if not, write to the Free Software
00017  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00018  *
00019  */
00020 
00021 #ifndef SH_PROGRESSOUTPUT_H
00022 #define SH_PROGRESSOUTPUT_H
00023 
00024 #include <cstdarg>
00025 #include <ctime>
00026 #include <string>
00027 
00032 class ProgressOutput {
00033         public:
00037         ProgressOutput (void) ;
00038 
00043         ProgressOutput (const std::string& m) ;
00044 
00045         void setMessage (const std::string& m)
00046                 { Message = m ; } ;
00047 
00048         void setMessage (const char *msgfmt, ...) ;
00049 
00053         void update (float rate) ;
00054 
00058         void done (void) const ;
00059 
00065         void done (float rate, float avgweight = 1.0) const ;
00066 
00067         static const float NoAvgWeight ;
00068 
00069         protected:
00070         std::string vcompose (const char *msgfmt, va_list ap) const ;
00071 
00072         private:
00073         std::string Message ;
00074         time_t LastUpdate ;
00075 } ;
00076 
00077 #endif // ndef SH_PROGRESSOUTPUT_H

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