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SbPlaneProjector.h
1 #ifndef COIN_SBPLANEPROJECTOR_H
2 #define COIN_SBPLANEPROJECTOR_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/projectors/SbProjector.h>
28 #include <Inventor/SbVec3f.h>
29 #include <Inventor/SbPlane.h>
30
31 class COIN_DLL_API SbPlaneProjector : public SbProjector {
32 typedef SbProjector inherited;
33
34 public:
35 SbPlaneProjector(const SbBool orient = FALSE);
36 SbPlaneProjector(const SbPlane & plane, const SbBool orient = FALSE);
37 virtual SbProjector * copy(void) const;
38
39 virtual SbVec3f project(const SbVec2f & point);
40 virtual SbBool tryProject(const SbVec2f & point, const float epsilon, SbVec3f & result);
41
42 void setPlane(const SbPlane & plane);
43 const SbPlane & getPlane(void) const;
44 void setOrientToEye(const SbBool orienttoeye);
45 SbBool isOrientToEye(void) const;
46 virtual SbVec3f getVector(const SbVec2f & viewpos1,
47 const SbVec2f & viewpos2);
48 virtual SbVec3f getVector(const SbVec2f & viewpos);
49 void setStartPosition(const SbVec2f & viewpos);
50 void setStartPosition(const SbVec3f & point);
51
52 protected:
53 void setupPlane(void);
54
55 protected:
56 SbPlane plane, nonOrientPlane;
57 SbBool orientToEye;
58 SbBool needSetup;
59 SbVec3f lastPoint;
60 };
61
62 #endif // !COIN_SBPLANEPROJECTOR_H

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