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Size32f.h
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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/Size32f.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/Size.h>
00035 #include <iostream>
00036 
00037 namespace icl{
00038   namespace utils{
00040     class ICLUtils_API Size32f{
00041       
00042       public:
00043       // width variable
00044       float width;
00045       
00046       // height variable
00047       float height;
00048   
00050       static const Size32f null;
00051 
00053             inline Size32f(){ this->width = 0; this->height = 0; }
00054 
00056       inline Size32f(const Size32f &s){ this->width = s.width;this->height = s.height; }
00057       
00059       inline Size32f(float width,float height){ this->width = width; this->height = height; }
00060   
00062       inline Size32f(const Size &other):width(other.width),height(other.height){}
00063       
00065       bool isNull() const { return (*this)==null; }
00066   
00068       bool operator==(const Size32f &s) const {return width==s.width && height==s.height;}
00069   
00071       bool operator!=(const Size32f &s) const {return width!=s.width || height!=s.height;}
00072   
00074       Size32f operator+(const Size32f &s) const {return  Size32f(width+s.width,height+s.height);}
00075   
00077       Size32f operator-(const Size32f &s) const {return  Size32f(width-s.width,height-s.height);}
00078   
00080       Size32f operator*(double d) const { return Size32f(d*width,d*height);}
00081   
00083       Size32f operator/(double d) const { return (*this)*(1.0/d); }
00084       
00086       Size32f& operator+=(const Size32f &s){width+=s.width; height+=s.height; return *this;}
00087   
00089       Size32f& operator-=(const Size32f &s){width-=s.width; height-=s.height; return *this;}
00090   
00092       Size32f& operator*=(double d) {width*=d; height*=d; return *this; }
00093       
00095       Size32f& operator/=(double d) { return (*this)*=(1.0/d); }
00096       
00098       float getDim() const {return width*height;}
00099     };
00100   
00102     ICLUtils_API std::ostream &operator<<(std::ostream &os, const Size32f &s);
00103     
00105     ICLUtils_API std::istream &operator>>(std::istream &is, Size32f &s);
00106   
00107   } // namespace utils
00108 }// namespace icl
00109 
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