(C++) Shape

 

 

Shape is a class for a shape.

Technical facts

 

 

 

 

 

 

./CppShape/CppShape.pri

 

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INCLUDEPATH += \     ../../Classes/CppShape SOURCES += \     ../../Classes/CppShape/shape.cpp HEADERS  += \     ../../Classes/CppShape/shape.h OTHER_FILES += \     ../../Classes/CppShape/Licence.txt

 

 

 

 

 

./CppShape/shape.h

 

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//--------------------------------------------------------------------------- /* Shape, shape class Copyright 2011-2015 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/CppShape.htm //--------------------------------------------------------------------------- #ifndef SHAPE_H #define SHAPE_H #include <string> #include <vector> #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #pragma GCC diagnostic ignored "-Wunused-but-set-parameter" #include <boost/checked_delete.hpp> #include <boost/signals2.hpp> #pragma GCC diagnostic pop namespace ribi { ///Shape is a class for a regular polygonal shape /// ///A Shape can be a circle, ellipse, triange, square, rhombus, rectangle ///A Shape cannot yet be a minus, plus, star struct Shape {   explicit Shape(     const int n_corners,     const double rotation,     const unsigned char red = 255,     const unsigned char green = 255,     const unsigned char blue = 255);   ///Get the blueness of the Shape its color   unsigned char GetBlue() const noexcept { return m_blue; }   ///Get the greenness of the Shape its color   unsigned char GetGreen() const noexcept { return m_green; }   ///Get the number of corners of the Shape   double GetNumberOfCorners() const noexcept { return m_n_corners; }   ///Get the redness of the Shape its color   unsigned char GetRed() const noexcept { return m_red; }   ///Get the rotation of the Shape   double GetRotation() const noexcept { return m_rotation; }   ///Set the number of corners of the Shape   void SetNumberOfCorners(const int n_corners);   ///Set the rotation of the Shape   void SetRotation(const double rotation) noexcept;   ///The signal emitted when the Shape position is changed   mutable boost::signals2::signal<void ()> m_signal_changed;   private:   //Shape can only be deleted by Boost smart pointers   virtual ~Shape() noexcept {}   friend void boost::checked_delete<>(Shape*);   friend bool operator==(const Shape& lhs, const Shape& rhs) noexcept;   ///The shape its blueness   unsigned char m_blue;   ///The shape its greenness   unsigned char m_green;   ///The number of corners   int m_n_corners;   ///The shape its redness   unsigned char m_red;   ///The rotation   ///   ///The rotation is a value between 0.0 and 2.0 * pi,   ///in which  0.0 * pi is the equivalent to 12:00 o'clock   ///and which 0.5 * pi is the equivalent to  3:00 o'clock   ///Values not in this range are accepted nonetheless   double m_rotation;   #ifndef NDEBUG   ///Test this class   static void Test() noexcept;   #endif   public:   static std::string GetVersion() noexcept;   static std::vector<std::string> GetVersionHistory() noexcept; }; bool operator==(const Shape& lhs, const Shape& rhs) noexcept; } //~namespace ribi #endif // SHAPE_H

 

 

 

 

 

./CppShape/shape.cpp

 

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//--------------------------------------------------------------------------- /* Shape, shape class Copyright 2011-2015 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/CppShape.htm //--------------------------------------------------------------------------- #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #pragma GCC diagnostic ignored "-Wunused-but-set-parameter" #include "shape.h" #include <cassert> #include <boost/math/constants/constants.hpp> //#include "geometry.h" #include "trace.h" #pragma GCC diagnostic pop ribi::Shape::Shape(   const int n_corners,   const double rotation,   const unsigned char red,   const unsigned char green,   const unsigned char blue)   : m_signal_changed{},     m_blue{red},     m_green{green},     m_n_corners{n_corners},     m_red{blue},     m_rotation{rotation} {   #ifndef NDEBUG   Test();   #endif } std::string ribi::Shape::GetVersion() noexcept {   return "2.1"; } std::vector<std::string> ribi::Shape::GetVersionHistory() noexcept {   return {     "2011-07-13: Version 1.0: initial version",     "2011-08-08: Version 2.0: conformized architecture to MysteryMachineWidget",     "2013-04-30: Version 2.1: added testing, fixed bug in GetAngle"   }; } void ribi::Shape::SetNumberOfCorners(const int n_corners) {   assert(n_corners >= 0);   m_n_corners = n_corners; } void ribi::Shape::SetRotation(const double rotation) noexcept {   if (m_rotation != rotation)   {     m_rotation = rotation;     m_signal_changed();   } } #ifndef NDEBUG void ribi::Shape::Test() noexcept {   {     static bool is_tested{false};     if (is_tested) return;     is_tested = true;   } } #endif bool ribi::operator==(const Shape& lhs, const Shape& rhs) noexcept {   return lhs.m_blue == rhs.m_blue     &&   lhs.m_green == rhs.m_green     &&   lhs.m_n_corners == rhs.m_n_corners     &&   lhs.m_red == rhs.m_red     &&   lhs.m_rotation == rhs.m_rotation; }