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SoGate.h
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2  *
3  * This file is part of the Coin 3D visualization library.
4  * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved.
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23 
24 #ifndef COIN_SOGATE_H
25 #define COIN_SOGATE_H
26 
27 #include <Inventor/engines/SoSubEngine.h>
28 #include <Inventor/fields/SoMField.h>
29 #include <Inventor/fields/SoSFBool.h>
30 #include <Inventor/fields/SoSFTrigger.h>
31 
32 class SoEngineOutput;
33 
34 
35 class COIN_DLL_API SoGate : public SoEngine {
36  typedef SoEngine inherited;
37 
38  SO_ENGINE_HEADER(SoGate);
39 
40 public:
41  static void initClass(void);
42  SoGate(SoType type);
43 
47 
49 
50 protected:
51  virtual void inputChanged(SoField * which);
52 
53 private:
54  SoGate(void);
55  ~SoGate();
56 
57  virtual void evaluate(void);
58 
59  virtual SbBool readInstance(SoInput * in, unsigned short flags);
60  virtual void writeInstance(SoOutput * out);
61 
62  void initialize(const SoType inputfieldtype);
63 
64  virtual void copyContents(const SoFieldContainer * from,
65  SbBool copyconnections);
66 
67  // SoGate instances uses a dynamic set of inputs and outputs, as
68  // they are not common for all instances of the class (like for most
69  // of the other engines).
70  SoFieldData * dynamicinput;
71  SoEngineOutputData * dynamicoutput;
72 
73  // Avoid a g++/egcs warning due to the private default constructor.
74  friend class dummy;
75 };
76 
77 #endif // !COIN_SOGATE_H

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

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