CrystalSpace

Public API Reference

csutil/timemeasure.h

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00001 /*
00002     Copyright (C) 2004 by Jorrit Tyberghein
00003               (C) 2004 by Frank Richter
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library 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 GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 */
00019 
00020 #ifndef __CS_CSUTIL_TIMEMEASURE_H__
00021 #define __CS_CSUTIL_TIMEMEASURE_H__
00022 
00027 #include "csutil/util.h"
00028 #include "csutil/sysfunc.h"
00029  
00050 class csMeasureTime
00051 {
00052 protected:
00053   csTicks offsetTime;
00054   csString text;
00055 public:
00059   csMeasureTime (const char* format, ...)
00060   {
00061     va_list args;
00062     va_start (args, format);
00063     text.FormatV (format, args);
00064     va_end (args);
00065 
00066     offsetTime = csGetTicks ();
00067   }
00068   
00069   ~csMeasureTime ()
00070   {
00071     csTicks endTime = csGetTicks ();
00072     csPrintf ("%s: %u ms\n", text.GetData(), endTime - offsetTime);
00073   }
00074   
00076   void PrintIntermediate (const char* descr, ...)
00077   {
00078     csTicks currentTime = csGetTicks ();
00079 
00080     csPrintf ("(%s)", text.GetData());
00081     va_list args;
00082     va_start (args, descr);
00083     csPrintfV (descr, args);
00084     va_end (args);
00085     csPrintf (": %u ms\n", currentTime - offsetTime);
00086     
00087     csTicks currentTime2 = csGetTicks ();
00088     // Correct difference from printing
00089     offsetTime += currentTime2 - currentTime;
00090   }
00091 };
00092  
00095 #endif

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