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SbBox2f.h

00001 #ifndef COIN_SBBOX2F_H
00002 #define COIN_SBBOX2F_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/SbVec2f.h>
00028 
00029 class SbBox2d;
00030 class SbBox2s;
00031 class SbBox2i32;
00032 
00033 class COIN_DLL_API SbBox2f {
00034 public:
00035   SbBox2f(void);
00036   SbBox2f(float xmin, float ymin, float xmax, float ymax);
00037   SbBox2f(const SbVec2f & min, const SbVec2f & max);
00038   explicit SbBox2f(const SbBox2d & box) { setBounds(box); }
00039   explicit SbBox2f(const SbBox2s & box) { setBounds(box); }
00040   explicit SbBox2f(const SbBox2i32 & box) { setBounds(box); }
00041   ~SbBox2f(void);
00042 
00043   void setBounds(float xmin, float ymin, float xmax, float ymax);
00044   void setBounds(const SbVec2f & min, const SbVec2f & max);
00045   SbBox2f & setBounds(const SbBox2d & box);
00046   SbBox2f & setBounds(const SbBox2s & box);
00047   SbBox2f & setBounds(const SbBox2i32 & box);
00048 
00049   void getBounds(float & xmin, float & ymin, float & xmax, float & ymax) const;
00050   void getBounds(SbVec2f & min, SbVec2f & max) const;
00051 
00052   const SbVec2f & getMin(void) const;
00053   SbVec2f & getMin(void) { return minpt; }
00054   const SbVec2f & getMax(void) const;
00055   SbVec2f & getMax(void) { return maxpt; }
00056 
00057   void extendBy(const SbVec2f & point);
00058   void extendBy(const SbBox2f & box);
00059   void makeEmpty(void);
00060   SbBool isEmpty(void) const;
00061   SbBool hasArea(void) const;
00062 
00063   SbBool intersect(const SbVec2f & point) const;
00064   SbBool intersect(const SbBox2f & box) const;
00065   SbVec2f getClosestPoint(const SbVec2f & p) const;
00066 
00067   SbVec2f getCenter(void) const;
00068   void getOrigin(float & x0, float & y0) const;
00069   void getSize(float & w, float & h) const;
00070   float getAspectRatio(void) const;
00071 
00072   friend COIN_DLL_API int operator ==(const SbBox2f & b1, const SbBox2f & b2);
00073   friend COIN_DLL_API int operator !=(const SbBox2f & b1, const SbBox2f & b2);
00074 
00075 private:
00076   SbVec2f minpt, maxpt;
00077 
00078   float width(void) const;
00079   float height(void) const;
00080 };
00081 
00082 COIN_DLL_API int operator ==(const SbBox2f & b1, const SbBox2f & b2);
00083 COIN_DLL_API int operator !=(const SbBox2f & b1, const SbBox2f & b2);
00084 
00085 #endif // !COIN_SBBOX2F_H

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

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