NTU-OOP-Tuts-2024-Cpp/T8Q2/main.cpp

//
// Created by Marcus Vinicius de Carvalho
//

#include <iostream>
#include <string>
#include <utility>

using namespace std;
enum KindOfPolygon {POLY_PLAIN, POLY_RECT, POLY_TRIANG};

string StringKindofPolygon[] = {"POLY_PLAIN", "POLY_RECT", "POLY_TRIANG"};

class Polygon {

protected:
    string name;
    float width;
    float height;
    KindOfPolygon polytype;

public:
    Polygon(string name, float width, float height) : name(name), width(width), height(height) {
        polytype = POLY_PLAIN;
    }

    KindOfPolygon getPolytype() {
        return polytype;
    }

    void setPolytype(KindOfPolygon value) {
        polytype = value;
    }

    string getName() {
        return name;
    }

    virtual float calArea() = 0;

    void printWidthHeight() const {
        cout << "Width: " << width << "; Height: " << height << endl;
    }
};

class Rectangle : public Polygon {
public:
    Rectangle(string name, float width, float height) : Polygon(std::move(name), width, height) {
        polytype = POLY_RECT;
    }

    float calArea() override {
        return width * height;
    }
};

class Triangle : public Polygon {
public:
    Triangle(string name, float width, float height) : Polygon(std::move(name), width, height) {
        polytype = POLY_TRIANG;
    }

    float calArea() override {
        return width * height * 0.5f;
    }
};

class TestPolygon {
public:
    static void printArea(Polygon& poly) {
        float area = poly.calArea();
        cout << "The area of the " << StringKindofPolygon[poly.getPolytype()] << " is " << area << endl;
    }
};

int main() {
    Rectangle rectangle1("Rectangle1", 3.0f, 4.0f);
    rectangle1.printWidthHeight();
    TestPolygon::printArea(rectangle1);

    Triangle triangle1("Triangle1", 3.0f, 4.0f);
    triangle1.printWidthHeight();
    TestPolygon::printArea(triangle1);
}