SbXfBox3f.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2003 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, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY
00016  *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
00017  *
00018 \**************************************************************************/
00019 
00020 #ifndef COIN_SBXFBOX3F_H
00021 #define COIN_SBXFBOX3F_H
00022 
00023 #include <stdio.h>
00024 #include <Inventor/SbBox3f.h>
00025 #include <Inventor/SbMatrix.h>
00026 
00027 class COIN_DLL_API SbXfBox3f : public SbBox3f {
00028   typedef SbBox3f inherited;
00029 
00030 public:
00031   SbXfBox3f(void);
00032   SbXfBox3f(const SbVec3f & boxmin, const SbVec3f & boxmax);
00033   SbXfBox3f(const SbBox3f & box);
00034   ~SbXfBox3f();
00035 
00036   void setTransform(const SbMatrix & m);
00037   const SbMatrix & getTransform(void) const;
00038   const SbMatrix & getInverse(void) const;
00039   SbVec3f getCenter(void) const;
00040   void extendBy(const SbVec3f & pt);
00041   void extendBy(const SbBox3f & bb);
00042   void extendBy(const SbXfBox3f & bb);
00043   SbBool intersect(const SbVec3f & pt) const;
00044   SbBool intersect(const SbBox3f & bb) const;
00045   void getSpan(const SbVec3f & direction, float & dMin, float & dMax) const;
00046   SbBox3f project(void) const;
00047   friend COIN_DLL_API int operator ==(const SbXfBox3f & b1, const SbXfBox3f & b2);
00048   friend COIN_DLL_API int operator !=(const SbXfBox3f & b1, const SbXfBox3f & b2);
00049   // Must override the transform() method from SbBox3f, as the box and
00050   // the transform matrix are supposed to be kept separate in
00051   // SbXfBox3f. --mortene
00052   void transform(const SbMatrix & m);
00053   // Overridden from SbBox3f
00054   float getVolume(void) const;
00055 
00056   void print(FILE * file) const;
00057 
00058 private:
00059   // incorrect for SbXfBox3f. Hide them
00060   const SbVec3f & getMin(void) const {return SbBox3f::getMin(); }
00061   const SbVec3f & getMax(void) const { return SbBox3f::getMax(); }
00062 
00063   void calcInverse(void) const;
00064   void makeInvInvalid(void);
00065 
00066   SbMatrix matrix, invertedmatrix;
00067 };
00068 
00069 COIN_DLL_API int operator ==(const SbXfBox3f & b1, const SbXfBox3f & b2);
00070 COIN_DLL_API int operator !=(const SbXfBox3f & b1, const SbXfBox3f & b2);
00071 
00072 #endif // !COIN_SBXFBOX3F_H

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