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SbBox2f.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_SBBOX2F_H 00021 #define COIN_SBBOX2F_H 00022 00023 #include <Inventor/SbBasic.h> 00024 #include <Inventor/SbVec2f.h> 00025 00026 class COIN_DLL_API SbBox2f { 00027 public: 00028 SbBox2f(void); 00029 SbBox2f(float xmin, float ymin, float xmax, float ymax); 00030 SbBox2f(const SbVec2f & min, const SbVec2f & max); 00031 ~SbBox2f(void); 00032 00033 const SbVec2f & getMin(void) const; 00034 const SbVec2f & getMax(void) const; 00035 SbVec2f getCenter(void) const; 00036 void extendBy(const SbVec2f & point); 00037 void extendBy(const SbBox2f & box); 00038 SbBool intersect(const SbVec2f & point) const; 00039 SbBool intersect(const SbBox2f & box) const; 00040 SbVec2f getClosestPoint(const SbVec2f & p) const; 00041 void setBounds(float xmin, float ymin, float xmax, float ymax); 00042 void setBounds(const SbVec2f & min, const SbVec2f & max); 00043 void getBounds(float & xmin, float & ymin, float & xmax, float & ymax) const; 00044 void getBounds(SbVec2f & min, SbVec2f & max) const; 00045 void getOrigin(float & x0, float & y0) const; 00046 void getSize(float & w, float & h) const; 00047 float getAspectRatio(void) const; 00048 void makeEmpty(void); 00049 SbBool isEmpty(void) const; 00050 SbBool hasArea(void) const; 00051 00052 friend COIN_DLL_API int operator ==(const SbBox2f & b1, const SbBox2f & b2); 00053 friend COIN_DLL_API int operator !=(const SbBox2f & b1, const SbBox2f & b2); 00054 00055 private: 00056 SbVec2f minpt, maxpt; 00057 00058 float width(void) const; 00059 float height(void) const; 00060 }; 00061 00062 COIN_DLL_API int operator ==(const SbBox2f & b1, const SbBox2f & b2); 00063 COIN_DLL_API int operator !=(const SbBox2f & b1, const SbBox2f & b2); 00064 00065 #endif // !COIN_SBBOX2F_H

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