SoFieldConverter.h Source File

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2002 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 Lesser General Public License
00008  *  version 2.1 as published by the Free Software Foundation. See the
00009  *  file LICENSE.LGPL at the root directory of the distribution for
00010  *  more details.
00011  *
00012  *  If you want to use Coin for applications not compatible with the
00013  *  LGPL, please contact SIM to acquire a Professional Edition license.
00014  *
00015  *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
00016  *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
00017  *
00018 \**************************************************************************/
00019 
00020 #ifndef COIN_SOFIELDCONVERTER_H
00021 #define COIN_SOFIELDCONVERTER_H
00022 
00023 #include <Inventor/engines/SoSubEngine.h>
00024 
00025 class SoEngineOutput;
00026 
00027 
00028 class COIN_DLL_API SoFieldConverter : public SoEngine {
00029   typedef SoEngine inherited;
00030   SO_ENGINE_ABSTRACT_HEADER(SoFieldConverter);
00031 
00032 public:
00033   static void initClass(void);
00034   static void initClasses(void);
00035   virtual SoField * getInput(SoType type) = 0;
00036   virtual SoEngineOutput * getOutput(SoType type) = 0;
00037   virtual SoField * getConnectedInput(void);
00038   int getForwardConnections(SoFieldList & l) const;
00039 
00040 protected:
00041   SoFieldConverter(void);
00042   virtual ~SoFieldConverter();
00043 };
00044 
00045 #endif // !COIN_SOFIELDCONVERTER_H