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SbPlaneProjector.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_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

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