using System;
using System.Windows.Forms;
using System.Drawing;
using op4;

namespace _figure
{
    public class Figure
    {
        protected int x0, y0;
        protected Graphics g;
        //true - нечетное, false - четное нажатие
        protected bool click;
        public Figure()
        {
            x0 = 0; y0 = 0;
            click = true;
        }
        public virtual void Draw(Panel my_panel)
        {

        }
        public virtual Graphics MyGraphic()
        {
            return g;
        }
        public virtual bool finder(int x, int y)
        {
            return false;
        }
        public virtual bool unreal()
        {
            return false;
        }
        public virtual void recolor()
        {

        }
        public virtual void clicker()
        {
            click = !click;
        }
    }

    public class Circle : Figure
    {
        private int x, y, ray;
        public Circle()
        {
            x = 0;
            y = 0;
            ray = 0;
        }
        public Circle(int x, int y, int ray)
        {
            this.x = x - ray;
            this.y = y - ray;
            this.ray = ray;
            x0 = x;
            y0 = y;
        }

        public override string ToString()
        {
            string info = "";
            info = Convert.ToString(x) + " " + Convert.ToString(y) + " " + Convert.ToString(ray);
            return info;
        }
        public override void Draw(Panel my_panel)
        {
            g = my_panel.CreateGraphics();
            if (click) {
                g.DrawEllipse(Pens.Black, x, y, ray*2, ray*2);
            }
            else {
                g.DrawEllipse(Pens.Red, x, y, ray * 2, ray * 2);
            }

        }
        public override Graphics MyGraphic()
        {
            return g;
        }
        public override bool finder(int x, int y)
        {
            if ((x - x0) * (x - x0) + (y - y0) * (y - y0) <= ray * ray)
                return true;
            return false;
        }
        public override void recolor()
        {

        }
    }

    public class NulFigure: Figure
    {
        public override bool unreal()
        {
            return true;
        }
    }
}