# SoCounter.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_SOCOUNTER_H
    00025 #define COIN_SOCOUNTER_H
    00026
    00027 #include <Inventor/engines/SoSubEngine.h>
    00028 #include <Inventor/engines/SoEngineOutput.h>
    00029 #include <Inventor/fields/SoSFTrigger.h>
    00030 #include <Inventor/fields/SoSFShort.h>
    00031
    00032
    00033 class COIN_DLL_API SoCounter : public SoEngine {
    00034   typedef SoEngine inherited;
    00035
    00036   SO_ENGINE_HEADER(SoCounter);
    00037
    00038 public:
    00039   static void initClass(void);
    00040   SoCounter(void);
    00041
    00042   SoSFShort min;
    00043   SoSFShort max;
    00044   SoSFShort step;
    00045   SoSFTrigger trigger;
    00046   SoSFShort reset;
    00047
    00048   SoEngineOutput output;  // SoSFShort
    00049   SoEngineOutput syncOut; // SoSFTrigger
    00050
    00051 protected:
    00052   ~SoCounter(void);
    00053
    00054 private:
    00055   virtual void evaluate(void);
    00056   virtual void inputChanged(SoField * which);
    00057
    00058   int numsteps;
    00059   short value;
    00060 };
    00061
    00062 #endif // !COIN_SOCOUNTER_H