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SbClip.h
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1 #ifndef COIN_SBCLIP_H
2 #define COIN_SBCLIP_H
3 
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35 
36 #include <Inventor/lists/SbList.h>
37 #include <Inventor/SbVec3f.h>
38 #include <cstddef>
39 
40 class SbPlane;
41 class SbVec2f;
42 
43 typedef void * SbClipCallback(const SbVec3f & v0, void * vdata0,
44  const SbVec3f & v1, void * vdata1,
45  const SbVec3f & newvertex,
46  void * userdata);
47 
48 class COIN_DLL_API SbClip {
49 public:
50  SbClip(SbClipCallback * callback = NULL, void * userdata = NULL);
51 
52  void addVertex(const SbVec3f &v, void * vdata = NULL);
53  void reset(void);
54 
55  void clip(const SbPlane & plane);
56 
57  int getNumVertices(void) const;
58  void getVertex(const int idx, SbVec3f & v, void ** vdata = NULL) const;
59  void * getVertexData(const int idx) const;
60 
61 private:
62  class SbClipData {
63  public:
64  SbClipData(void) {}
65  SbClipData(const SbVec3f & v, void * data)
66  : vertex(v),
67  data(data) {}
68  public:
69  void get(SbVec3f &v, void *& dataref) {
70  v = this->vertex;
71  dataref = this->data;
72  }
73 
74  SbVec3f vertex;
75  void * data;
76  };
77 
78  SbClipCallback * callback;
79  void * cbdata;
80  SbList <SbClipData> array[2];
81  int curr;
82  void outputVertex(const SbVec3f &v, void * data);
83 };
84 
85 
86 #endif // !COIN_SBCLIP_H
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition: SbVec2f.h:49
The SbClip class is a generic polygon clipper class.
Definition: SbClip.h:48
void * SbClipCallback(const SbVec3f &v0, void *vdata0, const SbVec3f &v1, void *vdata1, const SbVec3f &newvertex, void *userdata)
Definition: SbClip.h:43
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition: SbVec3f.h:51
The SbPlane class represents a plane in 3D space.
Definition: SbPlane.h:43