SbCylinderProjector.h Source File

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_SBCYLINDERPROJECTOR_H
00021 #define COIN_SBCYLINDERPROJECTOR_H
00022 
00023 #include <Inventor/projectors/SbProjector.h>
00024 #include <Inventor/SbCylinder.h>
00025 
00026 class COIN_DLL_API SbCylinderProjector : public SbProjector {
00027   typedef SbProjector inherited;
00028 
00029 public:
00030   virtual SbVec3f project(const SbVec2f & point) = 0;
00031   SbVec3f projectAndGetRotation(const SbVec2f & point, SbRotation & rot);
00032   virtual SbRotation getRotation(const SbVec3f & point1,
00033                                  const SbVec3f & point2) = 0;
00034   void setCylinder(const SbCylinder & cyl);
00035   const SbCylinder & getCylinder(void) const;
00036   void setOrientToEye(const SbBool orienttoeye);
00037   SbBool isOrientToEye(void) const;
00038   void setFront(const SbBool infront);
00039   SbBool isFront(void) const;
00040   SbBool isPointInFront(const SbVec3f & point) const;
00041   virtual void setWorkingSpace(const SbMatrix & space);
00042 
00043 protected:
00044   SbCylinderProjector(const SbBool orienttoeye);
00045   SbCylinderProjector(const SbCylinder & cylinder, const SbBool orienttoeye);
00046 
00047   SbBool intersectCylinderFront(const SbLine & line, SbVec3f & result);
00048 
00049   SbBool intersectFront;
00050   SbCylinder cylinder;
00051   SbBool orientToEye;
00052   SbBool needSetup;
00053   SbVec3f lastPoint;
00054 };
00055 
00056 #endif // !COIN_SBCYLINDERPROJECTOR_H