# SoElapsedTime.h

    00001 /**************************************************************************\
    00002  *
    00003  *  This file is part of the Coin 3D visualization library.
    00004  *  Copyright (C) 1998-2003 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 <URL:http://www.coin3d.org> for  more information.
    00018  *
    00019  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00020  *  <URL:http://www.sim.no>.
    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