Ex01P026-Line.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApp7
{
    // Ex01 - P026
    class Line
    {
        private double x1, y1;
        private double x2, y2;
        private String color;
        private double width;

        public Line(double x1, double y1, double x2, double y2)
        {
            this.x1 = x1;
            this.y1 = y1;
            this.x2 = x2;
            this.y2 = y2;
            this.color = "Black";
            this.width = 1;
        }

        public Line(double x1, double y1, double x2, double y2, String color, double width)
        {
            this.x1 = x1;
            this.y1 = y1;
            this.x2 = x2;
            this.y2 = y2;
            this.color = color;
            this.width = width;
        }

        // setters
        public void setX1(double x1) { this.x1 = x1; }
        public void setY1(double y1) { this.y1 = y1; }
        public void setX2(double x2) { this.x2 = x2; }
        public void setY2(double y2) { this.y2 = y2; }
        public void setColor(String color) { this.color = color; }
        public void setWidth(double width) { this.width = width; }

        // getters
        public double getX1(double x1) { return x1; }
        public double getY1(double y1) { return y1; }
        public double getX2(double x2) { return x2; }
        public double getY2(double y2) { return y2; }
        public string getColor(String color) { return color; }
        public double getWidth(double width) { return width; }

        // ToString
        public override string ToString()
        {
            return String.Format("Line from ({0}, {1}) to ({2}, {3}), color={4} and width={5}", x1, y1, x2, y2, color, width);
        }

        public double getLength()
        {
            double dx2 = Math.Pow(x2 - x1, 2);
            double dy2 = Math.Pow(y2 - y1, 2);

            double l = Math.Sqrt(dx2 + dy2);

            return l;
        }
    }
}