# SbPlaneProjector.h

    00001 #ifndef COIN_SBPLANEPROJECTOR_H
    00002 #define COIN_SBPLANEPROJECTOR_H
    00003
    00004 /**************************************************************************\
    00005  *
    00006  *  This file is part of the Coin 3D visualization library.
    00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
    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 Systems in Motion about acquiring
    00018  *  a Coin Professional Edition License.
    00019  *
    00020  *  See <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    00024  *
    00025 \**************************************************************************/
    00026
    00027 #include <Inventor/projectors/SbProjector.h>
    00028 #include <Inventor/SbVec3f.h>
    00029 #include <Inventor/SbPlane.h>
    00030
    00031 class COIN_DLL_API SbPlaneProjector : public SbProjector {
    00032   typedef SbProjector inherited;
    00033
    00034 public:
    00035   SbPlaneProjector(const SbBool orient = FALSE);
    00036   SbPlaneProjector(const SbPlane & plane, const SbBool orient = FALSE);
    00037   virtual SbProjector * copy(void) const;
    00038
    00039   virtual SbVec3f project(const SbVec2f & point);
    00040   void setPlane(const SbPlane & plane);
    00041   const SbPlane & getPlane(void) const;
    00042   void setOrientToEye(const SbBool orienttoeye);
    00043   SbBool isOrientToEye(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   void setupPlane(void);
    00052
    00053 protected:
    00054   SbPlane plane, nonOrientPlane;
    00055   SbBool orientToEye;
    00056   SbBool needSetup;
    00057   SbVec3f lastPoint;
    00058 };
    00059
    00060 #endif // !COIN_SBPLANEPROJECTOR_H