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SoClipPlaneElement.h
1#ifndef COIN_SOCLIPPLANEELEMENT_H
2#define COIN_SOCLIPPLANEELEMENT_H
3
4/**************************************************************************\
5 *
6 * This file is part of the Coin 3D visualization library.
7 * Copyright (C) by Kongsberg Oil & Gas Technologies.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * ("GPL") version 2 as published by the Free Software Foundation.
12 * See the file LICENSE.GPL at the root directory of this source
13 * distribution for additional information about the GNU GPL.
14 *
15 * For using Coin with software that can not be combined with the GNU
16 * GPL, and for taking advantage of the additional benefits of our
17 * support services, please contact Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24 *
25\**************************************************************************/
26
27#include <Inventor/elements/SoAccumulatedElement.h>
28#include <Inventor/lists/SbList.h>
29#include <Inventor/SbPlane.h>
30
31class COIN_DLL_API SoClipPlaneElement : public SoAccumulatedElement {
33
34 SO_ELEMENT_HEADER(SoClipPlaneElement);
35public:
36 static void initClass(void);
37protected:
38 virtual ~SoClipPlaneElement();
39
40public:
41 virtual void init(SoState * state);
42 virtual void push(SoState * state);
43
44 static void add(SoState * const state, SoNode * const node,
45 const SbPlane & plane);
46 static const SoClipPlaneElement * getInstance(SoState * const state);
47 int getNum(void) const;
48 const SbPlane & get(const int index, const SbBool inworldspace = TRUE) const;
49
50private:
51 class so_plane_data // internal
52 {
53 public:
54 so_plane_data() {}
55 so_plane_data(const SbPlane &plane, const SbMatrix &matrix);
56 public:
57 SbPlane plane;
58 SbPlane wcPlane;
59 // Needed by AIX compiler
60 SbBool operator==(const so_plane_data &spd) const {
61 return spd.plane == plane && spd.wcPlane == wcPlane;
62 }
63 SbBool operator!=(const so_plane_data &spd) const {
64 return spd.plane != plane || spd.wcPlane != wcPlane;
65 }
66 };
67
68protected:
69 SbList <so_plane_data> planes;
71
72 virtual void addToElt(const SbPlane & plane, const SbMatrix & modelmatrix);
73};
74
75#endif // !COIN_SOCLIPPLANEELEMENT_H
The SbMatrix class is a 4x4 dimensional representation of a matrix.
Definition SbMatrix.h:37
The SbPlane class represents a plane in 3D space.
Definition SbPlane.h:34
The SoAccumulatedElement class is an abstract class for storing accumulated state.
Definition SoAccumulatedElement.h:30
virtual void push(SoState *state)
Definition SoAccumulatedElement.cpp:74
virtual void init(SoState *state)
Definition SoAccumulatedElement.cpp:66
The SoClipPlaneElement class is used to manage the clip plane stack.
Definition SoClipPlaneElement.h:31
SbList< so_plane_data > planes
Definition SoClipPlaneElement.h:69
int startIndex
Definition SoClipPlaneElement.h:70
The SoNode class is the base class for nodes used in scene graphs.
Definition SoNode.h:47
The SoState class manages the Coin scenegraph traversal state data.
Definition SoState.h:35

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