Image Component Library (ICL)
|
00001 /******************************************************************** 00002 ** Image Component Library (ICL) ** 00003 ** ** 00004 ** Copyright (C) 2006-2013 CITEC, University of Bielefeld ** 00005 ** Neuroinformatics Group ** 00006 ** Website: www.iclcv.org and ** 00007 ** http://opensource.cit-ec.de/projects/icl ** 00008 ** ** 00009 ** File : ICLUtils/src/ICLUtils/Point32f.h ** 00010 ** Module : ICLUtils ** 00011 ** Authors: Christof Elbrechter ** 00012 ** ** 00013 ** ** 00014 ** GNU LESSER GENERAL PUBLIC LICENSE ** 00015 ** This file may be used under the terms of the GNU Lesser General ** 00016 ** Public License version 3.0 as published by the ** 00017 ** ** 00018 ** Free Software Foundation and appearing in the file LICENSE.LGPL ** 00019 ** included in the packaging of this file. Please review the ** 00020 ** following information to ensure the license requirements will ** 00021 ** be met: http://www.gnu.org/licenses/lgpl-3.0.txt ** 00022 ** ** 00023 ** The development of this software was supported by the ** 00024 ** Excellence Cluster EXC 277 Cognitive Interaction Technology. ** 00025 ** The Excellence Cluster EXC 277 is a grant of the Deutsche ** 00026 ** Forschungsgemeinschaft (DFG) in the context of the German ** 00027 ** Excellence Initiative. ** 00028 ** ** 00029 ********************************************************************/ 00030 00031 #pragma once 00032 00033 #include <ICLUtils/CompatMacros.h> 00034 #include <ICLUtils/ClippedCast.h> 00035 #include <ICLUtils/Point.h> 00036 00037 namespace icl{ 00038 namespace utils{ 00039 00041 class ICLUtils_API Point32f{ 00042 public: 00043 00045 float x; 00046 00048 float y; 00049 00051 static const Point32f null; 00052 00054 Point32f() :x(0.0f), y(0.0f){} 00055 00057 Point32f(const Point32f& p):x(p.x),y(p.y){} 00058 00060 Point32f(float x,float y):x(x),y(y){} 00061 00063 Point32f(const Point &p):x(p.x),y(p.y){} 00064 00066 bool isNull() const { return (*this)==null; } 00067 00069 bool operator==(const Point32f &s) const {return x==s.x && y==s.y;} 00070 00072 bool operator!=(const Point32f &s) const {return x!=s.x || y!=s.y;} 00073 00075 Point32f operator+(const Point32f &s) const {return Point32f(x+s.x,y+s.y);} 00076 00078 Point32f operator-(const Point32f &s) const {return Point32f(x-s.x,y-s.y);} 00079 00081 Point32f operator*(double d) const { return Point32f(d*x,d*y);} 00082 00084 Point32f& operator+=(const Point32f &s){x+=s.x; y+=s.y; return *this;} 00085 00087 Point32f& operator-=(const Point32f &s){x-=s.x; y-=s.y; return *this;} 00088 00090 Point32f& operator*=(double d) {x*=d; y*=d; return *this; } 00091 00093 Point32f transform(double xfac, double yfac) const{ 00094 return Point32f(xfac*x,yfac*y); 00095 } 00096 00098 float distanceTo(const Point32f &p) const; 00099 00101 bool inTriangle(const utils::Point32f &v1, 00102 const utils::Point32f &v2, 00103 const utils::Point32f &v3) const; 00104 00106 00113 float norm(float p=2) const; 00114 00116 00119 Point32f &normalize(){ 00120 float l = norm(); x/=l; y/=l; return *this; 00121 } 00122 00124 00125 Point32f normalized() const{ 00126 return Point32f(*this).normalize(); 00127 } 00128 00130 float &operator[](int i) { return i?y:x; } 00131 00133 const float &operator[](int i) const { return i?y:x; } 00134 }; 00135 00137 ICLUtils_API std::ostream &operator<<(std::ostream &s, const Point32f &p); 00138 00140 ICLUtils_API std::istream &operator>>(std::istream &s, Point32f &p); 00141 00142 00143 } // namespace utils 00144 } // namespace icl 00145