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SbBox2s.h

00001 #ifndef COIN_SBBOX2S_H
00002 #define COIN_SBBOX2S_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/SbVec2s.h>
00028 #include <Inventor/SbVec2f.h>
00029 
00030 class SbBox2i32;
00031 class SbBox2f;
00032 class SbBox2d;
00033 
00034 class COIN_DLL_API SbBox2s {
00035 public:
00036   SbBox2s(void);
00037   SbBox2s(short xmin, short ymin, short xmax, short ymax);
00038   SbBox2s(const SbVec2s & boxmin, const SbVec2s & boxmax);
00039   explicit SbBox2s(const SbBox2i32 & box) { setBounds(box); }
00040   explicit SbBox2s(const SbBox2f & box) { setBounds(box); }
00041   explicit SbBox2s(const SbBox2d & box) { setBounds(box); }
00042   ~SbBox2s(void);
00043 
00044   void setBounds(short xmin, short ymin, short xmax, short ymax);
00045   void setBounds(const SbVec2s & boxmin, const SbVec2s & boxmax);
00046   SbBox2s & setBounds(const SbBox2i32 & box);
00047   SbBox2s & setBounds(const SbBox2f & box);
00048   SbBox2s & setBounds(const SbBox2d & box);
00049 
00050   void getBounds(short & xmin, short & ymin, short & xmax, short & ymax) const;
00051   void getBounds(SbVec2s & boxmin, SbVec2s & boxmax) const;
00052 
00053   const SbVec2s & getMin(void) const;
00054   SbVec2s & getMin(void) { return minpt; }
00055   const SbVec2s & getMax(void) const;
00056   SbVec2s & getMax(void) { return maxpt; }
00057 
00058   void extendBy(const SbVec2s & point);
00059   void extendBy(const SbBox2s & box);
00060   void makeEmpty(void);
00061   SbBool isEmpty(void) const { return (maxpt[0] < minpt[0]); }
00062   SbBool hasArea(void) const;
00063 
00064   SbBool intersect(const SbVec2s & point) const;
00065   SbBool intersect(const SbBox2s & box) const;
00066 
00067   SbVec2f getCenter(void) const { return SbVec2f((minpt[0] + maxpt[0]) * 0.5f, (minpt[1] + maxpt[1]) * 0.5f); }
00068 
00069   void getOrigin(short & originX, short & originY) const;
00070   void getSize(short & sizeX, short & sizeY) const;
00071   float getAspectRatio(void) const;
00072   friend COIN_DLL_API int operator ==(const SbBox2s & b1, const SbBox2s & b2);
00073   friend COIN_DLL_API int operator !=(const SbBox2s & b1, const SbBox2s & b2);
00074 
00075 private:
00076   SbVec2s minpt, maxpt;
00077 
00078   short width(void) const;
00079   short height(void) const;
00080 };
00081 
00082 COIN_DLL_API int operator ==(const SbBox2s & b1, const SbBox2s & b2);
00083 COIN_DLL_API int operator !=(const SbBox2s & b1, const SbBox2s & b2);
00084 
00085 #endif // !COIN_SBBOX2S_H

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

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