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SbClip.h
1 #ifndef COIN_SBCLIP_H
2 #define COIN_SBCLIP_H
3 
4 /**************************************************************************\
5  *
6  * This file is part of the Coin 3D visualization library.
7  * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved.
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12  * See the file LICENSE.GPL at the root directory of this source
13  * distribution for additional information about the GNU GPL.
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25 \**************************************************************************/
26 
27 #include <Inventor/lists/SbList.h>
28 #include <Inventor/SbVec3f.h>
29 #include <stddef.h>
30 
31 class SbPlane;
32 class SbVec2f;
33 
34 typedef void * SbClipCallback(const SbVec3f & v0, void * vdata0,
35  const SbVec3f & v1, void * vdata1,
36  const SbVec3f & newvertex,
37  void * userdata);
38 
39 class COIN_DLL_API SbClip {
40 public:
41  SbClip(SbClipCallback * callback = NULL, void * userdata = NULL);
42 
43  void addVertex(const SbVec3f &v, void * vdata = NULL);
44  void reset(void);
45 
46  void clip(const SbPlane & plane);
47 
48  int getNumVertices(void) const;
49  void getVertex(const int idx, SbVec3f & v, void ** vdata = NULL) const;
50  void * getVertexData(const int idx) const;
51 
52 private:
53  class SbClipData {
54  public:
55  SbClipData(void) {}
56  SbClipData(const SbVec3f & v, void * data)
57  : vertex(v),
58  data(data) {}
59  public:
60  void get(SbVec3f &v, void *& dataref) {
61  v = this->vertex;
62  dataref = this->data;
63  }
64 
65  SbVec3f vertex;
66  void * data;
67  };
68 
69  SbClipCallback * callback;
70  void * cbdata;
71  SbList <SbClipData> array[2];
72  int curr;
73  void outputVertex(const SbVec3f &v, void * data);
74 };
75 
76 
77 #endif // !COIN_SBCLIP_H
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition: SbVec2f.h:36
The SbClip class is a generic polygon clipper class.It is used by first adding all vertices in the po...
Definition: SbClip.h:39
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition: SbVec3f.h:37
The SbPlane class represents a plane in 3D space.SbPlane is used by many other classes in Coin...
Definition: SbPlane.h:34

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

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