using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Lab_015_Clock_Animation
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
            this.SetStyle(ControlStyles.UserPaint, true);
            this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Graphics objGraphics= e.Graphics;
            Rectangle objRectangle = new Rectangle(80, 20, 200, 200);
            LinearGradientBrush objLinearGradiantBrush = new LinearGradientBrush(objRectangle, Color.DarkGreen, Color.Blue, 90);
            objGraphics.FillEllipse(objLinearGradiantBrush, objRectangle);
            objLinearGradiantBrush.LinearColors = new Color[] { Color.DarkOrange, Color.Black };
            objGraphics.FillEllipse(objLinearGradiantBrush, 90, 30, 180, 180);
            SolidBrush objbrush = new SolidBrush(Color.White);
            Font objFont = new Font("Times new Roman", 12, FontStyle.Bold);
            objGraphics.DrawString("XII", objFont, objbrush, 170, 40);
            objGraphics.DrawString("XI", objFont, objbrush, 125, 50);
            objGraphics.DrawString("X", objFont, objbrush, 100, 80);
            objGraphics.DrawString("IX", objFont, objbrush, 100, 120);
            objGraphics.DrawString("VIII", objFont, objbrush, 110, 150);
            objGraphics.DrawString("VII", objFont, objbrush, 138, 175);
            objGraphics.DrawString("VI", objFont, objbrush, 170, 190);
            objGraphics.DrawString("V", objFont, objbrush, 210, 180);
            objGraphics.DrawString("IV", objFont, objbrush, 235, 150);
            objGraphics.DrawString("III", objFont, objbrush, 245, 120);
            objGraphics.DrawString("II", objFont, objbrush, 240, 80);
            objGraphics.DrawString("I", objFont, objbrush, 215, 50);
            objGraphics.TranslateTransform(120, 120);
            int hour = DateTime.Now.Hour;
            int min = DateTime.Now.Minute;
            int sec = DateTime.Now.Second;
            Pen hourPen = new Pen(Color.White, 2);
            Pen minPen = new Pen(Color.Yellow, 2);
            Pen secPen = new Pen(Color.Red, 1);
            double secondAngle = 2.0 * Math.PI * sec / 60.0;
            double minuteAngle = 2.0 * Math.PI * (min + sec / 60.0) / 60.0;
            double hourAngle = 2.0 * Math.PI * (hour + min / 60.0) / 12.0;
            Point center = new Point(60, 7);
            Point hourHand = new Point((int)(10 * Math.Sin(hourAngle)),
                                        (int)(-10 * Math.Cos(hourAngle)));
            objGraphics.DrawLine(hourPen, center, hourHand);

            Point minHand = new Point((int)(15 * Math.Sin(minuteAngle)),
                                        (int)(-15 * Math.Cos(minuteAngle)));
            objGraphics.DrawLine(minPen, center, minHand);

            Point secHand = new Point((int)(5 * Math.Sin(secondAngle)),
                                        (int)(-5 * Math.Cos(secondAngle)));
            objGraphics.DrawLine(secPen, center, secHand);
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            Invalidate();
        }
    }
}