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SoConcatenate.h

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_SOCONCATENATE_H
00021 #define COIN_SOCONCATENATE_H
00022 
00023 #include <Inventor/engines/SoSubEngine.h>
00024 #include <Inventor/engines/SoEngineOutput.h>
00025 #include <Inventor/fields/SoMField.h>
00026 
00027 
00028 class COIN_DLL_API SoConcatenate : public SoEngine {
00029   typedef SoEngine inherited;
00030 
00031   SO_ENGINE_HEADER(SoConcatenate);
00032 
00033   enum { NUMINPUTS = 10 }; // Constant.
00034 
00035 public:
00036   static void initClass(void);
00037   SoConcatenate(SoType inputType);
00038 
00039   SoMField * input[NUMINPUTS];
00040 
00041   SoEngineOutput * output;
00042 
00043 private:
00044   SoConcatenate(void);
00045   ~SoConcatenate();
00046 
00047   virtual void evaluate(void);
00048 
00049   virtual SbBool readInstance(SoInput * in, unsigned short flags);
00050   virtual void writeInstance(SoOutput * out);
00051 
00052   SbBool initialize(const SoType inputfieldtype);
00053 
00054   virtual void copyContents(const SoFieldContainer * from,
00055                             SbBool copyconnections);
00056 
00057   // SoConcatenate instances uses a dynamic set of inputs and outputs,
00058   // as they are not common for all instances of the class (like for
00059   // most of the other engines).
00060   SoFieldData * dynamicinput;
00061   SoEngineOutputData * dynamicoutput;
00062 
00063   // Avoid a g++/egcs warning due to the private default constructor.
00064   friend class dummy;
00065 };
00066 
00067 #endif // !COIN_SOCONCATENATE_H

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