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SbBox2d.h

00001 #ifndef COIN_SBBOX2D_H
00002 #define COIN_SBBOX2D_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2007 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 http://www.coin3d.org/ for more information.
00021  *
00022  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/SbVec2d.h>
00028 
00029 class SbBox2f;
00030 class SbBox2s;
00031 class SbBox2i32;
00032 
00033 class COIN_DLL_API SbBox2d {
00034 public:
00035   SbBox2d(void);
00036   SbBox2d(double xmin, double ymin, double xmax, double ymax);
00037   SbBox2d(const SbVec2d & min, const SbVec2d & max);
00038   explicit SbBox2d(const SbBox2f & box) { setBounds(box); }
00039   explicit SbBox2d(const SbBox2s & box) { setBounds(box); }
00040   explicit SbBox2d(const SbBox2i32 & box) { setBounds(box); }
00041   ~SbBox2d(void);
00042 
00043   void setBounds(double xmin, double ymin, double xmax, double ymax);
00044   void setBounds(const SbVec2d & min, const SbVec2d & max);
00045   SbBox2d & setBounds(const SbBox2f & box);
00046   SbBox2d & setBounds(const SbBox2s & box);
00047   SbBox2d & setBounds(const SbBox2i32 & box);
00048 
00049   void getBounds(double & xmin, double & ymin, double & xmax, double & ymax) const;
00050   void getBounds(SbVec2d & min, SbVec2d & max) const;
00051 
00052   const SbVec2d & getMin(void) const;
00053   SbVec2d & getMin(void) { return maxpt; }
00054   const SbVec2d & getMax(void) const;
00055   SbVec2d & getMax(void) { return maxpt; }
00056 
00057   void extendBy(const SbVec2d & point);
00058   void extendBy(const SbBox2d & box);
00059   void makeEmpty(void);
00060   SbBool isEmpty(void) const;
00061   SbBool hasArea(void) const;
00062 
00063   SbBool intersect(const SbVec2d & point) const;
00064   SbBool intersect(const SbBox2d & box) const;
00065   SbVec2d getClosestPoint(const SbVec2d & p) const;
00066   SbBool findIntersection(const SbVec2d & a, const SbVec2d & b, SbVec2d & ia, SbVec2d & ib) const;
00067 
00068   SbVec2d getCenter(void) const;
00069   void getOrigin(double & x0, double & y0) const;
00070   void getSize(double & w, double & h) const;
00071   double getAspectRatio(void) const;
00072 
00073   friend COIN_DLL_API int operator ==(const SbBox2d & b1, const SbBox2d & b2);
00074   friend COIN_DLL_API int operator !=(const SbBox2d & b1, const SbBox2d & b2);
00075 
00076 private:
00077   SbVec2d minpt, maxpt;
00078 
00079   double width(void) const;
00080   double height(void) const;
00081 };
00082 
00083 COIN_DLL_API int operator == (const SbBox2d & b1, const SbBox2d & b2);
00084 COIN_DLL_API int operator != (const SbBox2d & b1, const SbBox2d & b2);
00085 
00086 #endif // !COIN_SBBOX2D_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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