00001 /**************************************************************************\ 00002 * 00003 * This file is part of the Coin 3D visualization library. 00004 * Copyright (C) 1998-2002 by Systems in Motion. All rights reserved. 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public License 00008 * version 2.1 as published by the Free Software Foundation. See the 00009 * file LICENSE.LGPL at the root directory of the distribution for 00010 * more details. 00011 * 00012 * If you want to use Coin for applications not compatible with the 00013 * LGPL, please contact SIM to acquire a Professional Edition license. 00014 * 00015 * Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY 00016 * http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097 00017 * 00018 \**************************************************************************/ 00019 00020 #ifndef COIN_SBPLANEPROJECTOR_H 00021 #define COIN_SBPLANEPROJECTOR_H 00022 00023 #include <Inventor/projectors/SbProjector.h> 00024 #include <Inventor/SbVec3f.h> 00025 #include <Inventor/SbPlane.h> 00026 00027 00028 class COIN_DLL_API SbPlaneProjector : public SbProjector { 00029 typedef SbProjector inherited; 00030 00031 public: 00032 SbPlaneProjector(const SbBool orient = FALSE); 00033 SbPlaneProjector(const SbPlane & plane, const SbBool orient = FALSE); 00034 virtual SbProjector * copy(void) const; 00035 00036 virtual SbVec3f project(const SbVec2f & point); 00037 void setPlane(const SbPlane & plane); 00038 const SbPlane & getPlane(void) const; 00039 void setOrientToEye(const SbBool orienttoeye); 00040 SbBool isOrientToEye(void) const; 00041 virtual SbVec3f getVector(const SbVec2f & viewpos1, 00042 const SbVec2f & viewpos2); 00043 virtual SbVec3f getVector(const SbVec2f & viewpos); 00044 void setStartPosition(const SbVec2f & viewpos); 00045 void setStartPosition(const SbVec3f & point); 00046 00047 protected: 00048 void setupPlane(void); 00049 00050 protected: 00051 SbPlane plane, nonOrientPlane; 00052 SbBool orientToEye; 00053 SbBool needSetup; 00054 SbVec3f lastPoint; 00055 }; 00056 00057 #endif // !COIN_SBPLANEPROJECTOR_H