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# SbCylinderProjector.h

    00001 #ifndef COIN_SBCYLINDERPROJECTOR_H
    00002 #define COIN_SBCYLINDERPROJECTOR_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/SbCylinder.h>
    00029
    00030 class COIN_DLL_API SbCylinderProjector : public SbProjector {
    00031   typedef SbProjector inherited;
    00032
    00033 public:
    00034   virtual SbVec3f project(const SbVec2f & point) = 0;
    00035   SbVec3f projectAndGetRotation(const SbVec2f & point, SbRotation & rot);
    00036   virtual SbRotation getRotation(const SbVec3f & point1,
    00037                                  const SbVec3f & point2) = 0;
    00038   void setCylinder(const SbCylinder & cyl);
    00039   const SbCylinder & getCylinder(void) const;
    00040   void setOrientToEye(const SbBool orienttoeye);
    00041   SbBool isOrientToEye(void) const;
    00042   void setFront(const SbBool infront);
    00043   SbBool isFront(void) const;
    00044   SbBool isPointInFront(const SbVec3f & point) const;
    00045   virtual void setWorkingSpace(const SbMatrix & space);
    00046
    00047 protected:
    00048   SbCylinderProjector(const SbBool orienttoeye);
    00049   SbCylinderProjector(const SbCylinder & cylinder, const SbBool orienttoeye);
    00050
    00051   SbBool intersectCylinderFront(const SbLine & line, SbVec3f & result);
    00052
    00053   SbBool intersectFront;
    00054   SbCylinder cylinder;
    00055   SbBool orientToEye;
    00056   SbBool needSetup;
    00057   SbVec3f lastPoint;
    00058 };
    00059
    00060 #endif // !COIN_SBCYLINDERPROJECTOR_H