(C++) ShapeWidget

 

 

ShapeWidget is a widget class for a Shape.

Technical facts

 

 

 

 

 

 

./CppShapeWidget/CppShapeWidget.pri

 

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INCLUDEPATH += \     ../../Classes/CppShapeWidget SOURCES += \     ../../Classes/CppShapeWidget/shapewidget.cpp HEADERS  += \     ../../Classes/CppShapeWidget/shapewidget.h OTHER_FILES += \     ../../Classes/CppShapeWidget/Licence.txt

 

 

 

 

 

./CppShapeWidget/shapewidget.h

 

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//--------------------------------------------------------------------------- /* ShapeWidget, class for displaying a Shape 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/CppShapeWidget.htm //--------------------------------------------------------------------------- #ifndef SHAPEWIDGET_H #define SHAPEWIDGET_H #include <string> #include <vector> #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #include <boost/checked_delete.hpp> #include <boost/signals2.hpp> #include "widget.h" #pragma GCC diagnostic pop namespace ribi { struct Shape; ///ShapeWidget is a class to display a Shape struct ShapeWidget : public Widget {   explicit ShapeWidget(     const int n_corners,     const double rotation,     const int x = 0,     const int y = 0,     const int width = 100,     const int height = 100,     const unsigned char red = 255,     const unsigned char green = 255,     const unsigned char blue = 255);   ///Make a deep copy of ShapeWidget   ShapeWidget * Clone() const noexcept;   ///Obtain a read-only pointert to the Shape   const Shape * GetShape() const noexcept { return m_shape.get(); }   private:   //ShapeWidget can only be deleted by Boost smart pointers   virtual ~ShapeWidget() noexcept {}   friend void boost::checked_delete<>(ShapeWidget*);   friend bool operator==(const ShapeWidget& lhs,const ShapeWidget& rhs) noexcept;   ///The Shape   boost::scoped_ptr<Shape> m_shape;   public:   static std::string GetVersion() noexcept;   static std::vector<std::string> GetVersionHistory() noexcept; }; bool operator==(const ShapeWidget& lhs,const ShapeWidget& rhs) noexcept; } //~namespace ribi #endif // SHAPEWIDGET_H

 

 

 

 

 

./CppShapeWidget/shapewidget.cpp

 

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#pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wunused-local-typedefs" #include "shapewidget.h" #include <cassert> #include <cmath> #include <boost/numeric/conversion/cast.hpp> #include "shape.h" //#include "trace.h" #pragma GCC diagnostic pop ribi::ShapeWidget::ShapeWidget(   const int n_corners,   const double rotation,   const int x,   const int y,   const int width,   const int height,   const unsigned char red,   const unsigned char green,   const unsigned char blue)   : m_shape(new Shape(n_corners,rotation,red,green,blue)) {   SetGeometry(x,y,width,height); } ribi::ShapeWidget * ribi::ShapeWidget::Clone() const noexcept {   ShapeWidget * const w = new ShapeWidget(     GetShape()->GetNumberOfCorners(),     GetShape()->GetRotation(),     GetLeft(),     GetTop(),     GetWidth(),     GetHeight(),     GetShape()->GetRed(),     GetShape()->GetGreen(),     GetShape()->GetBlue()   );   assert(*w == *this);   return w; } std::string ribi::ShapeWidget::GetVersion() noexcept {   return "2.1"; } std::vector<std::string> ribi::ShapeWidget::GetVersionHistory() noexcept {   return {     "2011-07-13: Version 1.0: initial version",     "2011-07-18: Version 1.1: removed useless member functions",     "2011-08-08: Version 2.0: conformized architecture to MysteryMachineWidget",     "2014-03-28: version 2.1: replaced Rect by Boost.Geometry its box class"   }; } bool ribi::operator==(const ShapeWidget& lhs,const ShapeWidget& rhs) noexcept {   return     //lhs.GetGeometry() ==  rhs.GetGeometry()     //&&     *lhs.GetShape()    == *rhs.GetShape(); }