/* * Copyright 2011 Steven Gribble * * This file is the solution to an exercise problem posed during * one of the UW CSE 333 lectures (333exercises). * * 333exercises 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. * * 333exercises 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 333exercises. If not, see . */ // Lecture 15 exercise 1 #include #include "./Shape.h" #ifndef _LEC15_EX1_CIRCLE_H_ #define _LEC15_EX1_CIRCLE_H_ // A "Circle" is a concrete derived class of Shape representing a // circle. class Circle : Shape { public: Circle(std::pair center, double radius) : center_(center), radius_(radius) { } ~Circle() { } // Return the centroid of the shape. virtual std::pair Centroid() const; // Return the area of the shape. virtual double Area() const; // Move the shape by adding "delta" to the shape. virtual void Move(const std::pair &delta); // Return a string with some pretty-printed shape details. virtual std::string Print() const; private: std::pair center_; double radius_; }; #endif // _LEC15_EX1_CIRCLE_H_