1 #ifndef COIN_SOCLIPPLANEELEMENT_H
2 #define COIN_SOCLIPPLANEELEMENT_H
3 
4 /**************************************************************************\
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35 
36 #include <Inventor/elements/SoAccumulatedElement.h>
37 #include <Inventor/lists/SbList.h>
38 #include <Inventor/SbPlane.h>
39 
40 class COIN_DLL_API SoClipPlaneElement : public SoAccumulatedElement {
41   typedef SoAccumulatedElement inherited;
42 
43   SO_ELEMENT_HEADER(SoClipPlaneElement);
44 public:
45   static void initClass(void);
46 protected:
47   virtual ~SoClipPlaneElement();
48 
49 public:
50   virtual void init(SoState * state);
51   virtual void push(SoState * state);
52 
53   static  void add(SoState * const state, SoNode * const node,
54                    const SbPlane & plane);
55   static  const SoClipPlaneElement * getInstance(SoState * const state);
56   int getNum(void) const;
57   const SbPlane & get(const int index, const SbBool inworldspace = TRUE) const;
58 
59 private:
60   class so_plane_data // internal
61   {
62   public:
so_plane_data()63     so_plane_data() {}
64     so_plane_data(const SbPlane &plane, const SbMatrix &matrix);
65   public:
66     SbPlane plane;
67     SbPlane wcPlane;
68     // Needed by AIX compiler
69     SbBool operator==(const so_plane_data &spd) const {
70       return spd.plane == plane && spd.wcPlane == wcPlane;
71     }
72     SbBool operator!=(const so_plane_data &spd) const {
73       return spd.plane != plane || spd.wcPlane != wcPlane;
74     }
75   };
76 
77 protected:
78   SbList <so_plane_data> planes;
79   int startIndex;
80 
81   virtual void addToElt(const SbPlane & plane, const SbMatrix & modelmatrix);
82 };
83 
84 #endif // !COIN_SOCLIPPLANEELEMENT_H
85