import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Line2D;
import java.io.FileNotFoundException;
import java.io.PrintWriter;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Wykres_C_DSBB extends JPanel {
	int ilosc = 999;

	double f(double x) {
		double y = 0.022222222 * x;
		return (Math.cos(y) * Math.exp(-0.2 * y));
	}

	double g(double x) {
		double y = 0.022222222 * x;
		return (0.25 * Math.cos(y));
	}

	double x(int a) {
		double[] tab = new double[ilosc];
		for (int i = 0; i < ilosc; i++) {
			tab[i] = i * 0.025;
		}
		return tab[a];
	}

	double fy(int a) {
		double[] tab = new double[ilosc];
		for (int i = 0; i < ilosc; i++) {
			double x = i * 0.025;
			tab[i] = Math.cos(x) * Math.exp(-0.2 * x);
		}
		return tab[a];
	}



	public void paintComponent(Graphics g) {
		Graphics2D g2d = (Graphics2D) g;
		g2d.setColor(Color.BLACK);
		Line2D osx = new Line2D.Double(0, 300, 950, 300);
		Line2D osy = new Line2D.Double(25, 0, 25, 600);
		g2d.draw(osx);
		g2d.draw(osy);

		char c = 0x25B2;
		char p = 0x03C0;
		char d = 0x25B6;
		g.drawString(String.valueOf(c), 19, 9);
		g.drawString(String.valueOf(d), 911, 305);
		g.drawString("2" + String.valueOf(p), 292, 315);
		g.drawString("4" + String.valueOf(p), 577, 315);
		g.drawString("6" + String.valueOf(p), 862, 315);
		g.drawString("0", 15, 315);
		g2d.setColor(Color.BLUE);
		for (int i = 0; i < 900; i++) {
			Line2D prostaf = new Line2D.Double(25 + i, 300 - 300 * f(i), 25 + i + 1, 300 - 300 * f(i + 1));
			g2d.draw(prostaf);
		}
		g2d.setColor(Color.RED);
		for (int i = 0; i < 900; i++) {
			Line2D prostag = new Line2D.Double(25 + i, 300 - 300 * g(i), 25 + i + 1, 300 - 300 * g(i + 1));
			g2d.draw(prostag);
		}
	}

	public static void main(String[] args) throws FileNotFoundException {
		JFrame ramaOkna = new JFrame("Grafy funkcji f i g");
		ramaOkna.add(new Wykres_C_DSBB());
		ramaOkna.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		ramaOkna.setSize(900, 700);
		ramaOkna.setBackground(Color.WHITE);
		ramaOkna.setResizable(false);
		ramaOkna.setVisible(true);
		PrintWriter Save = new PrintWriter("data.csv");
		Wykres_C_DSBB dane = new Wykres_C_DSBB();
		for (int i = 0; i < 801; i++) {
			double x = dane.x(i);
			x *= 100000;
			x = Math.round(x);
			x /= 100000;
			double fy = dane.fy(i);
			fy *= 100000;
			fy = Math.round(fy);
			fy /= 100000;

		}
		Save.close();
	}
}