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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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