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

namespace GrafikaLabki4
{
    public partial class Form1 : Form
    {
        private System.Drawing.Pen pen1 = new System.Drawing.Pen(Color.Black, 1);
        private System.Drawing.Pen pen2 = new System.Drawing.Pen(Color.Orange, 1);
        private System.Drawing.Pen pen3 = new System.Drawing.Pen(Color.Red, 1);
        private System.Drawing.Pen pen4 = new System.Drawing.Pen(Color.Green, 1);
        private System.Drawing.Brush brush1 = new System.Drawing.SolidBrush(Color.Red);
        private System.Drawing.Brush brush2 = new System.Drawing.SolidBrush(Color.Blue);

        public Form1()
        {
            InitializeComponent();
        }

        private void Zad1_Click(object sender, EventArgs e)
        {
            Bitmap bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
            Graphics gr = Graphics.FromImage(bmp);

            int srodekX = pictureBox1.Width / 2, srodekY = pictureBox1.Height / 2, maxX = pictureBox1.Width, maxY = pictureBox1.Height;
            gr.DrawLine(pen1, 0, srodekY, maxX, srodekY);
            gr.DrawLine(pen1, srodekX, 0, srodekX, maxY);

            int x0 = pictureBox1.Width / 2, y0 = pictureBox1.Height / 2, r = (pictureBox1.Height / 2) - 100;
            double teta = 0;
            int x1, y1, x2, y2;
            int ilePkt = 20;
            int.TryParse(textBox12.Text, out ilePkt);

            Point t = new Point();
            int tmp;

            int.TryParse(textBox3.Text, out tmp);
            t.X = tmp;
            int.TryParse(textBox4.Text, out tmp);
            t.Y = tmp;

            Point[] punkty = new Point[ilePkt];
            Point[] punktyN = new Point[ilePkt];
            for (int i = 0; i < ilePkt; i++)
            {
                x1 = (int)(r * Math.Sin(teta) + x0);
                y1 = (int)(r * Math.Cos(teta) + y0);
                x2 = x1 + t.X;
                y2 = y1 - t.Y;
                punkty[i] = new Point(x1, y1);
                punktyN[i] = new Point(x2, y2);
                teta += ((360.0 / ilePkt) * Math.PI) / 180.0;
            }

            for (int i = 0; i < ilePkt; i++)
            {
                for (int j = 0; j < ilePkt - 1; j++)
                {
                    gr.DrawLine(pen3, punkty[i], punkty[j]);
                    gr.DrawLine(pen4, punktyN[i], punktyN[j]);
                }
            }

            pictureBox1.Image = bmp;
        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {
        }

        private void Zad2_Click(object sender, EventArgs e)
        {
            Bitmap bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
            Graphics gr = Graphics.FromImage(bmp);

            int srodekX = pictureBox1.Width / 2, srodekY = pictureBox1.Height / 2, maxX = pictureBox1.Width, maxY = pictureBox1.Height;
            gr.DrawLine(pen1, 0, srodekY, maxX, srodekY);
            gr.DrawLine(pen1, srodekX, 0, srodekX, maxY);

            int x0 = pictureBox1.Width / 2, y0 = pictureBox1.Height / 2, r = (pictureBox1.Height / 2) - 100;
            double teta = 0;
            int x1, y1, x2, y2;
            int ilePkt = 20;
            int.TryParse(textBox13.Text, out ilePkt);

            double Sx, Sy;

            double.TryParse(textBox7.Text, out Sx);
            double.TryParse(textBox8.Text, out Sy);

            Point[] punkty = new Point[ilePkt];
            Point[] punktyN = new Point[ilePkt];
            for (int i = 0; i < ilePkt; i++)
            {
                x1 = (int)(r * Math.Sin(teta) + x0);
                y1 = (int)(r * Math.Cos(teta) + y0);
                x2 = (int)(x1 * Sx);
                y2 = (int)(y1 * Sy);
                punkty[i] = new Point(x1, y1);
                punktyN[i] = new Point(x2, y2);
                teta += ((360.0 / ilePkt) * Math.PI) / 180.0;
            }

            for (int i = 0; i < ilePkt; i++)
            {
                for (int j = 0; j < ilePkt - 1; j++)
                {
                    gr.DrawLine(pen3, punkty[i], punkty[j]);
                    gr.DrawLine(pen4, punktyN[i], punktyN[j]);
                }
            }

            pictureBox1.Image = bmp;
        }

        private void Zad3_Click(object sender, EventArgs e)
        {
            Bitmap bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
            Graphics gr = Graphics.FromImage(bmp);

            int srodekX = pictureBox1.Width / 2, srodekY = pictureBox1.Height / 2, maxX = pictureBox1.Width, maxY = pictureBox1.Height;
            gr.DrawLine(pen1, 0, srodekY, maxX, srodekY);
            gr.DrawLine(pen1, srodekX, 0, srodekX, maxY);

            int x0 = pictureBox1.Width / 2, y0 = pictureBox1.Height / 2, r = (pictureBox1.Height / 2) - 100;
            double teta = 0;
            double tetaP = 0;
            int tmp;
            int x1, y1, x2, y2;
            int ilePkt = 20;
            int.TryParse(textBox10.Text, out ilePkt);

            int.TryParse(textBox11.Text, out tmp);
            teta = tmp * Math.PI / 180.0;

            Point[] punkty = new Point[ilePkt];
            Point[] punktyN = new Point[ilePkt];
            for (int i = 0; i < ilePkt; i++)
            {
                x1 = (int)(r * Math.Sin(tetaP) + x0);
                y1 = (int)(r * Math.Cos(tetaP) + y0);

                x2 = (int)((r * Math.Sin(tetaP)) * Math.Cos(teta) - (r * Math.Cos(tetaP)) * Math.Sin(teta) + x0);
                y2 = (int)((r * Math.Cos(tetaP)) * Math.Cos(teta) + (r * Math.Sin(tetaP)) * Math.Sin(teta) + y0);

                punkty[i] = new Point(x1, y1);
                punktyN[i] = new Point(x2, y2);
                tetaP += ((360.0 / ilePkt) * Math.PI) / 180.0;
            }

            for (int i = 0; i < ilePkt; i++)
            {
                for (int j = 0; j < ilePkt - 1; j++)
                {
                    gr.DrawLine(pen3, punkty[i], punkty[j]);
                    gr.DrawLine(pen4, punktyN[i], punktyN[j]);
                }
            }

            pictureBox1.Image = bmp;
        }

        private void Zad4_Click(object sender, EventArgs e)
        {
            Bitmap bmp = new Bitmap(pictureBox1.Width, pictureBox1.Height);
            Graphics gr = Graphics.FromImage(bmp);

            int srodekX = pictureBox1.Width / 2, srodekY = pictureBox1.Height / 2, maxX = pictureBox1.Width, maxY = pictureBox1.Height;
            gr.DrawLine(pen1, 0, srodekY, maxX, srodekY);
            gr.DrawLine(pen1, srodekX, 0, srodekX, maxY);

            int x0 = pictureBox1.Width / 2, y0 = pictureBox1.Height / 2, r = (pictureBox1.Height / 2) - 100;
            double teta = 0;
            double tetaP = 0;
            int tmp;
            int x1, y1, x2, y2;
            int ilePkt = 20;
            int.TryParse(textBox1.Text, out ilePkt);

            int.TryParse(textBox2.Text, out tmp);
            teta = tmp * Math.PI / 180.0;

            Point t = new Point();
            int.TryParse(textBox5.Text, out tmp);
            t.X = tmp;
            int.TryParse(textBox6.Text, out tmp);
            t.Y = tmp;

            Point[] punkty = new Point[ilePkt];
            Point[] punktyN = new Point[ilePkt];
            for (int i = 0; i < ilePkt; i++)
            {
                x1 = (int)(r * Math.Sin(tetaP) + x0);
                y1 = (int)(r * Math.Cos(tetaP) + y0);

                x2 = (int)((r * Math.Sin(tetaP)) * Math.Cos(teta) - (r * Math.Cos(tetaP)) * Math.Sin(teta) + x0 + t.X);
                y2 = (int)((r * Math.Cos(tetaP)) * Math.Cos(teta) + (r * Math.Sin(tetaP)) * Math.Sin(teta) + y0 - t.Y);

                punkty[i] = new Point(x1, y1);
                punktyN[i] = new Point(x2, y2);
                tetaP += ((360.0 / ilePkt) * Math.PI) / 180.0;
            }

            for (int i = 0; i < ilePkt; i++)
            {
                for (int j = 0; j < ilePkt - 1; j++)
                {
                    gr.DrawLine(pen3, punkty[i], punkty[j]);
                    gr.DrawLine(pen4, punktyN[i], punktyN[j]);
                }
            }

            pictureBox1.Image = bmp;
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}