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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_SOGATE_H 00025 #define COIN_SOGATE_H 00026 00027 #include <Inventor/engines/SoSubEngine.h> 00028 #include <Inventor/fields/SoMField.h> 00029 #include <Inventor/fields/SoSFBool.h> 00030 #include <Inventor/fields/SoSFTrigger.h> 00031 00032 class SoEngineOutput; 00033 00034 00035 class COIN_DLL_API SoGate : public SoEngine { 00036 typedef SoEngine inherited; 00037 00038 SO_ENGINE_HEADER(SoGate); 00039 00040 public: 00041 static void initClass(void); 00042 SoGate(SoType type); 00043 00044 SoSFBool enable; 00045 SoSFTrigger trigger; 00046 SoMField * input; 00047 00048 SoEngineOutput * output; 00049 00050 protected: 00051 virtual void inputChanged(SoField * which); 00052 00053 private: 00054 SoGate(void); 00055 ~SoGate(); 00056 00057 virtual void evaluate(void); 00058 00059 virtual SbBool readInstance(SoInput * in, unsigned short flags); 00060 virtual void writeInstance(SoOutput * out); 00061 00062 void initialize(const SoType inputfieldtype); 00063 00064 virtual void copyContents(const SoFieldContainer * from, 00065 SbBool copyconnections); 00066 00067 // SoGate instances uses a dynamic set of inputs and outputs, as 00068 // they are not common for all instances of the class (like for most 00069 // of the other engines). 00070 SoFieldData * dynamicinput; 00071 SoEngineOutputData * dynamicoutput; 00072 00073 // Avoid a g++/egcs warning due to the private default constructor. 00074 friend class dummy; 00075 }; 00076 00077 #endif // !COIN_SOGATE_H
Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.
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