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SoElapsedTime.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU General Public License
00008  *  ("GPL") version 2 as published by the Free Software Foundation.
00009  *  See the file LICENSE.GPL at the root directory of this source
00010  *  distribution for additional information about the GNU GPL.
00011  *
00012  *  For using Coin with software that can not be combined with the GNU
00013  *  GPL, and for taking advantage of the additional benefits of our
00014  *  support services, please contact Systems in Motion about acquiring
00015  *  a Coin Professional Edition License.
00016  *
00017  *  See http://www.coin3d.org/ for more information.
00018  *
00019  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00020  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00021  *
00022 \**************************************************************************/
00023 
00024 #ifndef COIN_SOELAPSEDTIME_H
00025 #define COIN_SOELAPSEDTIME_H
00026 
00027 #include <Inventor/engines/SoSubEngine.h>
00028 #include <Inventor/engines/SoEngineOutput.h>
00029 #include <Inventor/fields/SoSFTime.h>
00030 #include <Inventor/fields/SoSFFloat.h>
00031 #include <Inventor/fields/SoSFBool.h>
00032 #include <Inventor/fields/SoSFTrigger.h>
00033 
00034 
00035 class COIN_DLL_API SoElapsedTime : public SoEngine {
00036   typedef SoEngine inherited;
00037 
00038   SO_ENGINE_HEADER(SoElapsedTime);
00039 
00040 public:
00041   static void initClass(void);
00042   SoElapsedTime(void);
00043 
00044   SoSFTime timeIn;
00045   SoSFFloat speed;
00046   SoSFBool on;
00047   SoSFBool pause;
00048   SoSFTrigger reset;
00049 
00050   SoEngineOutput timeOut; // SoSFTime
00051 
00052 protected:
00053   ~SoElapsedTime();
00054 
00055   virtual void writeInstance(SoOutput * out);
00056 
00057 private:
00058   virtual void evaluate(void);
00059   virtual void inputChanged(SoField * which);
00060 
00061   SbTime pausetime, lasttime, currtime;
00062   enum {RUNNING, STOPPED, PAUSED} status;
00063 };
00064 
00065 #endif // !COIN_SOELAPSEDTIME_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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