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SoCalculator.h
1 /**************************************************************************\
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_SOCALCULATOR_H
25 #define COIN_SOCALCULATOR_H
26 
27 #include <Inventor/engines/SoSubEngine.h>
28 #include <Inventor/engines/SoEngineOutput.h>
29 #include <Inventor/fields/SoMFFloat.h>
30 #include <Inventor/fields/SoMFVec3f.h>
31 #include <Inventor/fields/SoMFString.h>
32 #include <Inventor/lists/SbList.h>
33 
34 class SoCalculatorP;
35 
36 class COIN_DLL_API SoCalculator : public SoEngine {
37  typedef SoEngine inherited;
38 
39  SO_ENGINE_HEADER(SoCalculator);
40 
41 public:
42  // inputs
43  SoMFFloat a, b, c, d, e, f, g, h;
44  SoMFVec3f A, B, C, D, E, F, G, H;
46 
47  // outputs
48  SoEngineOutput oa, ob, oc, od; // (SoMFFloat)
49  SoEngineOutput oA, oB, oC, oD; // (SoMFVec3f)
50 
51  SoCalculator(void);
52 
53  static void initClass(void);
54 
55 protected:
56  ~SoCalculator(void);
57 
58  virtual void inputChanged(SoField * which);
59 
60 private:
61  virtual void evaluate(void);
62 
63  static void readfieldcb(const char *name, float *data, void *cbdata);
64  static void writefieldcb(const char *name, float *data, int comp, void *cbdata);
65 
66  void evaluateExpression(struct so_eval_node *node, const int fieldidx);
67  void findUsed(struct so_eval_node *node, char *inused, char *outused);
68 
69  SoCalculatorP * pimpl;
70 };
71 
72 #endif // !COIN_SOCALCULATOR_H

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

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