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SoNodeEngine.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_SONODEENGINE_H
00025 #define COIN_SONODEENGINE_H
00026 
00027 #include <Inventor/nodes/SoNode.h>
00028 
00029 class SoEngineOutput;
00030 class SoEngineOutputList;
00031 class SoEngineOutputData;
00032 
00033 class COIN_DLL_API SoNodeEngine : public SoNode {
00034   typedef SoNode inherited;
00035 
00036 public:
00037   static void initClass(void);
00038   static SoType getClassTypeId(void);
00039 
00040   void evaluateWrapper(void);
00041 
00042   virtual int getOutputs(SoEngineOutputList & l) const;
00043   SoEngineOutput * getOutput(const SbName & outputname) const;
00044   SbBool getOutputName(const SoEngineOutput * output, SbName & outputname) const;
00045   virtual const SoEngineOutputData * getOutputData(void) const = 0;
00046 
00047   SbBool isNotifying(void) const;
00048   virtual void notify(SoNotList * nl);
00049 
00050   virtual void writeInstance(SoOutput * out);
00051 
00052 protected:
00053   SoNodeEngine(void);
00054   virtual ~SoNodeEngine();
00055   virtual void evaluate(void) = 0;
00056 
00057   virtual SbBool readInstance(SoInput * in, unsigned short flags);
00058   virtual void inputChanged(SoField * which);
00059 
00060   static const SoFieldData ** getFieldDataPtr(void);
00061   static const SoEngineOutputData ** getOutputDataPtr(void);
00062 
00063   void writeOutputTypes(SoOutput * out);
00064 
00065 private:
00066   virtual void destroy(void); // overrides SoBase::destroy()
00067 
00068   static SoType classTypeId;
00069   unsigned int flags;
00070 };
00071 
00072 #endif // !COIN_SONODEENGINE_H

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

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