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SbLineProjector.h

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

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