IGSTK
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00001 /*========================================================================= 00002 00003 Program: Image Guided Surgery Software Toolkit 00004 Module: $RCSfile: igstkRealTimeClock.h,v $ 00005 Language: C++ 00006 Date: $Date: 2008-02-11 01:41:51 $ 00007 Version: $Revision: 1.5 $ 00008 00009 Copyright (c) ISC Insight Software Consortium. All rights reserved. 00010 See IGSTKCopyright.txt or http://www.igstk.org/copyright.htm for details. 00011 00012 This software is distributed WITHOUT ANY WARRANTY; without even 00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00014 PURPOSE. See the above copyright notices for more information. 00015 00016 =========================================================================*/ 00017 00018 00019 #ifndef __igstkRealTimeClock_h 00020 #define __igstkRealTimeClock_h 00021 00022 #include "itkIndent.h" 00023 00024 namespace igstk 00025 { 00026 00036 class RealTimeClock 00037 { 00038 00039 public: 00040 00042 typedef double TimeStampType; 00043 00045 static TimeStampType GetTimeStamp(); 00046 00050 static void Initialize(); 00051 00053 static void Print(std::ostream& os, itk::Indent indent=0); 00054 00056 typedef double FrequencyType; 00057 00058 protected: 00059 00061 RealTimeClock(); 00062 00064 virtual ~RealTimeClock(); 00065 00066 static void PrintSelf( std::ostream& os, itk::Indent indent ); 00067 00068 private: 00069 00070 static FrequencyType m_Frequency; 00071 static TimeStampType m_Difference; 00072 static TimeStampType m_Origin; 00073 00074 }; 00075 00076 } // end of namespace itk 00077 00078 00079 #endif // __itkRealTimeClock_h