package elte.java2_utikalauz5.java2d;

import java.awt.*;
import java.awt.geom.*;
import java.awt.event.*;

/**
peldaprogram a RenderingHints osztaly hasznalatara.

@link.forrásfájl {@docRoot}/../data/java2d/src RajzolasMinosege.java
@link.letöltés {@docRoot}/../data/java2d RajzolasMinosege.jar
@since Java 2 Útikalauz programozóknak
*/
class RajzolasMinosege extends Canvas implements ActionListener {
    /** Verziószám */
    private final static long serialVersionUID = 15L;

	Button gomb = new Button ("Antialiasing Ki");
	boolean antialiasing = true;

	public void initScreen () {
		Frame f = new Frame ();

		f.add (this);
		f.add ("South", gomb);

		gomb.addActionListener (this);

		f.addWindowListener (
			new WindowAdapter () {
				public void windowClosing (WindowEvent e) {
					System.exit (0);
				}
			}
		);

		f.setSize (300, 300);
		f.setVisible (true);
	}

	public void paint (Graphics g) {
		Graphics2D g2 = (Graphics2D) g;
		RenderingHints beallitasok;

		if (antialiasing == true)
			beallitasok = new RenderingHints (RenderingHints.KEY_ANTIALIASING,
				 RenderingHints.VALUE_ANTIALIAS_ON);
		else
			beallitasok = new RenderingHints (RenderingHints.KEY_ANTIALIASING,
				 RenderingHints.VALUE_ANTIALIAS_OFF);

		beallitasok.put (RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);

		g2.setRenderingHints (beallitasok);

		BasicStroke bs = new BasicStroke (5.0f);
		g2.setStroke (bs);

		Ellipse2D vonal = new Ellipse2D.Float (10.0f, 10.0f, 200.0f, 200.0f);
		g2.setColor (Color.blue);
		g2.draw (vonal);
	}

	public static void main (String[] args) {
		RajzolasMinosege r = new RajzolasMinosege ();
		r.initScreen ();
	}

	public void actionPerformed (ActionEvent e) {
		if (e.getActionCommand ().compareTo ("Antialiasing Ki") == 0) {
			antialiasing = false;
			gomb.setLabel ("Antialiasing Be");
		} else {
			antialiasing = true;
			gomb.setLabel ("Antialiasing Ki");
		}
		repaint ();
	}

}