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SbLineProjector.h
00001 #ifndef COIN_SBLINEPROJECTOR_H
00002 #define COIN_SBLINEPROJECTOR_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/projectors/SbProjector.h>
00028 
00029 #include <Inventor/SbVec3f.h>
00030 #include <Inventor/SbLine.h>
00031 
00032 class COIN_DLL_API SbLineProjector : public SbProjector {
00033   typedef SbProjector inherited;
00034 
00035 public:
00036   SbLineProjector(void);
00037   virtual SbProjector * copy(void) const;
00038 
00039   virtual SbVec3f project(const SbVec2f & point);
00040   virtual SbBool tryProject(const SbVec2f & point, const float epsilon, SbVec3f & result);
00041 
00042   void setLine(const SbLine & line);
00043   const SbLine & getLine(void) const;
00044   virtual SbVec3f getVector(const SbVec2f & viewpos1,
00045                             const SbVec2f & viewpos2);
00046   virtual SbVec3f getVector(const SbVec2f & viewpos);
00047   void setStartPosition(const SbVec2f & viewpos);
00048   void setStartPosition(const SbVec3f & point);
00049 
00050 protected:
00051   SbLine line;
00052   SbVec3f lastPoint;
00053 };
00054 
00055 #endif // !COIN_SBLINEPROJECTOR_H

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