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_SBLINEPROJECTOR_H 00021 #define COIN_SBLINEPROJECTOR_H 00022 00023 #include <Inventor/projectors/SbProjector.h> 00024 00025 #include <Inventor/SbVec3f.h> 00026 #include <Inventor/SbLine.h> 00027 00028 00029 class COIN_DLL_API SbLineProjector : public SbProjector { 00030 typedef SbProjector inherited; 00031 00032 public: 00033 SbLineProjector(void); 00034 virtual SbProjector * copy(void) const; 00035 00036 virtual SbVec3f project(const SbVec2f & point); 00037 void setLine(const SbLine & line); 00038 const SbLine & getLine(void) const; 00039 virtual SbVec3f getVector(const SbVec2f & viewpos1, 00040 const SbVec2f & viewpos2); 00041 virtual SbVec3f getVector(const SbVec2f & viewpos); 00042 void setStartPosition(const SbVec2f & viewpos); 00043 void setStartPosition(const SbVec3f & point); 00044 00045 protected: 00046 SbLine line; 00047 SbVec3f lastPoint; 00048 }; 00049 00050 #endif // !COIN_SBLINEPROJECTOR_H