/*
* 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_TRIANGLE_H_
#define _LEC15_EX1_TRIANGLE_H_
// A "Triangle" is a concrete derived class of Shape representing a
// triangle.
class Triangle : Shape {
friend class Square;
public:
Triangle(std::pair v1,
std::pair v2,
std::pair v3) : v1_(v1), v2_(v2), v3_(v3) { }
~Triangle() { }
// 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 v1_, v2_, v3_;
};
#endif // _LEC15_EX1_TRIANGLE_H_