(C++) Rectangle

 

 

Rectangle is a class for a rectangle.

Technical facts

 

 

 

 

 

 

./CppRectangle/CppRectangle.pri

 

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INCLUDEPATH += \     ../../Classes/CppRectangle SOURCES += \     ../../Classes/CppRectangle/rectangle.cpp HEADERS  += \     ../../Classes/CppRectangle/rectangle.h OTHER_FILES += \     ../../Classes/CppRectangle/Licence.txt

 

 

 

 

 

./CppRectangle/rectangle.h

 

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//--------------------------------------------------------------------------- /* Rectangle, rectangle class Copyright 2011-2014 Richel Bilderbeek This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ //--------------------------------------------------------------------------- //From http://www.richelbilderbeek.nl/CppRectangle.htm //--------------------------------------------------------------------------- #ifndef RECTANGLE_H #define RECTANGLE_H #ifdef REALLY_USE_RECTANGLE //Use, for example, this code instead: // //#include <boost/geometry/geometries/box.hpp> //#include <boost/geometry/geometries/point_xy.hpp> // //  typedef boost::geometry::model::d2::point_xy<double> Point; //  typedef boost::geometry::model::box<Point> Rect; #include <string> #include <vector> namespace ribi { ///RectanglePolicyUseSize stores a rectangle by its topleft coordinats and its size /* template <class T> struct RectanglePolicyUseSize {   RectanglePolicyUseSize(     const T& any_x = 0,     const T& any_y = 0,     const T& any_w = 0,     const T& any_h = 0)   : x(any_x), y(any_y), w(any_w), h(any_h) {}   ///Obtain the x coordinat of the rectangle its bottom side   const T GetBottom() const { return y + h; }   ///Obtain the y coordinat of the rectangle its right side   const T GetRight() const { return x + w; }   ///Obtain the rectangle its height   const T GetHeight() const { return h; }   ///Obtain the rectangle its width   const T GetWidth() const { return w; }   bool IsIn(const T& any_x, const T& any_y) const   {     return any_x > x && any_y > y && x < GetRight() && y < GetBottom();   }   private:   T x;   T y;   T w;   T h; }; */ ///RectanglePolicyUseBottomRight stores a rectangle by its topleft ///and bottomright coordinats template <class T> struct RectanglePolicyUseBottomRight {   RectanglePolicyUseBottomRight(     const T& any_x1 = 0,     const T& any_y1 = 0,     const T& any_x2 = 0,     const T& any_y2 = 0)   : x1(any_x1), y1(any_y1), x2(any_x2), y2(any_y2) {}   const T GetBottom() const { return y2; }   const T GetRight() const { return x2; }   const T GetHeight() const { return y2 - y1; }   const T GetWidth() const { return x2 - x1; }   private:   T x1;   T y1;   T x2;   T y2; }; ///IntRectanglePolicyUseSize stores a rectangle by its topleft coordinats and its size struct Rect {   Rect(     const int any_x = 0,     const int any_y = 0,     const int any_w = 0,     const int any_h = 0);   ///Obtain the x coordinat of the rectangle its bottom side   int GetBottom() const noexcept { return m_y + m_h; }   ///Obtain the y coordinat of the rectangle its right side   int GetRight() const noexcept { return m_x + m_w; }   ///Obtain the rectangle its height   int GetHeight() const noexcept { return m_h; }   ///Obtain this class its version   static std::string GetVersion() noexcept;   ///Obtain this class its version history   static std::vector<std::string> GetVersionHistory() noexcept;   int GetLeft() const noexcept { return GetX(); }   ///Obtain the rectangle its width   int GetWidth() const noexcept { return m_w; }   ///Obtain the x coordinat of the rectangle its left side   int GetX() const noexcept { return m_x; }   ///Obtain the y coordinat of the rectangle its top side   int GetY() const noexcept { return m_y; }   int GetTop() const noexcept { return GetX(); }   bool IsIn(const int any_x, const int any_y) const noexcept   {     return any_x > m_x && any_y > m_y && any_x < GetRight() && any_y < GetBottom();   }   void Translate(const int dx, const int dy) noexcept;   private:   int m_x;   int m_y;   int m_w;   int m_h;   #ifndef NDEBUG   static void Test() noexcept;   #endif   friend bool operator==(const Rect& lhs, const Rect& rhs) noexcept;   friend std::ostream& operator<<(std::ostream& os,const Rect& rect) noexcept; }; std::ostream& operator<<(std::ostream& os,const Rect& rect) noexcept; bool operator==(const Rect& lhs, const Rect& rhs) noexcept; bool operator!=(const Rect& lhs, const Rect& rhs) noexcept; } //~namespace ribi #endif // RECTANGLE_H #endif //#ifdef REALLY_USE_RECTANGLE

 

 

 

 

 

./CppRectangle/rectangle.cpp

 

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//--------------------------------------------------------------------------- /* Rectangle, rectangle class Copyright 2011-2014 Richel Bilderbeek This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ //--------------------------------------------------------------------------- //From http://www.richelbilderbeek.nl/CppRectangle.htm //--------------------------------------------------------------------------- #ifdef REALLY_USE_RECTANGLE #include "rectangle.h" #include <iostream> #include <stdexcept> #include "trace.h" ribi::Rect::Rect(     const int any_x,     const int any_y,     const int any_w,     const int any_h)   : m_x(any_x),     m_y(any_y),     m_w(any_w),     m_h(any_h) {   if (any_w < 0.0) throw std::logic_error("Cannot create Rect with negative width");   if (any_h < 0.0) throw std::logic_error("Cannot create Rect with negative height"); } std::string ribi::Rect::GetVersion() noexcept {   return "1.0"; } std::vector<std::string> ribi::Rect::GetVersionHistory() noexcept {   return {     "2011-08-20: Version 1.0: initial version"   }; } #ifndef NDEBUG void ribi::Rect::Test() noexcept {   {     static bool is_tested{false};     if (is_tested) return;     is_tested = true;   }   const TestTimer test_timer(__func__,__FILE__,1.0); } #endif void ribi::Rect::Translate(const int dx, const int dy) noexcept {   this->m_x += dx;   this->m_y += dy; } std::ostream& ribi::operator<<(std::ostream& os,const Rect& rect) noexcept {   os     << "<Rect>"     << "<x>"       << rect.m_x     << "</x>"     << "<y>"       << rect.m_y     << "</y>"     << "<w>"       << rect.m_w     << "</w>"     << "<h>"       << rect.m_h     << "</h>"     << "</Rect>";   return os; } bool ribi::operator==(const Rect& lhs, const Rect& rhs) noexcept {   return        lhs.m_x == rhs.m_x     && lhs.m_y == rhs.m_y     && lhs.m_w == rhs.m_w     && lhs.m_h == rhs.m_h; } bool ribi::operator!=(const Rect& lhs, const Rect& rhs) noexcept {   return !(lhs==rhs); } #endif //#ifdef REALLY_USE_RECTANGLE