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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) 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/lists/SbList.h>
28#include <Inventor/SbVec3f.h>
29#include <stddef.h>
30
31class SbPlane;
32class SbVec2f;
33
34typedef void * SbClipCallback(const SbVec3f & v0, void * vdata0,
35 const SbVec3f & v1, void * vdata1,
36 const SbVec3f & newvertex,
37 void * userdata);
38
39class COIN_DLL_API SbClip {
40public:
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
52private:
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 SbClip class is a generic polygon clipper class.
Definition SbClip.h:39
The SbPlane class represents a plane in 3D space.
Definition SbPlane.h:34
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition SbVec2f.h:39
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition SbVec3f.h:40

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