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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) by Kongsberg Oil & Gas Technologies.
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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
32class SoEngineOutput;
33
34
35class COIN_DLL_API SoGate : public SoEngine {
36 typedef SoEngine inherited;
37
38 SO_ENGINE_HEADER(SoGate);
39
40public:
41 static void initClass(void);
42 SoGate(SoType type);
43
47
49
50protected:
51 virtual void inputChanged(SoField * which);
52
53private:
54 SoGate(void);
55 virtual ~SoGate(void);
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
The SoEngineOutputData class is a container for a prototype set of outputs.
Definition SoOutputData.h:40
The SoEngineOutput class is the output slots in SoEngine instances.
Definition SoEngineOutput.h:36
SoEngine is the base class for Coin engines.
Definition SoEngine.h:34
virtual void writeInstance(SoOutput *out)
Definition SoEngine.cpp:405
virtual void evaluate(void)=0
virtual SbBool readInstance(SoInput *in, unsigned short flags)
Definition SoEngine.cpp:394
virtual void inputChanged(SoField *which)
Definition SoEngine.cpp:290
The SoFieldContainer class is a base class for all classes that contain fields.
Definition SoFieldContainer.h:34
virtual void copyContents(const SoFieldContainer *from, SbBool copyconnections)
Definition SoFieldContainer.cpp:786
The SoFieldData class is a container for a prototype set of fields.
Definition SoFieldData.h:39
The SoField class is the top-level abstract base class for fields.
Definition SoField.h:38
The SoGate class is used to selectively copy values from input to output.
Definition SoGate.h:35
SoSFBool enable
Definition SoGate.h:44
SoEngineOutput * output
Definition SoGate.h:48
SoSFTrigger trigger
Definition SoGate.h:45
SoMField * input
Definition SoGate.h:46
The SoInput class is an abstraction of file import functionality.
Definition SoInput.h:52
The SoMField class is the base class for fields which can contain multiple values.
Definition SoMField.h:32
The SoOutput class is an abstraction of an output stream.
Definition SoOutput.h:42
The SoSFBool class is a container for an SbBool value.
Definition SoSFBool.h:30
The SoSFTrigger class is the "void" class used for detecting field changes.
Definition SoSFTrigger.h:32
The SoType class is the basis for the run-time type system in Coin.
Definition SoType.h:50

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