Determine if antialiasing is enabled : Antialiasing « 2D Graphics « Java Tutorial

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;

import javax.swing.JComponent;
import javax.swing.JFrame;

public class BasicDraw {
  public static void main(String[] args) {
    new BasicDraw();

  BasicDraw() {
    JFrame frame = new JFrame();

    frame.add(new MyComponent());

    frame.setSize(300, 300);


class MyComponent extends JComponent {

  public void paint(Graphics g) {
    // Retrieve the graphics context; this object is used to paint shapes
    Graphics2D g2d = (Graphics2D) g;

    // Determine if antialiasing is enabled
    RenderingHints rhints = g2d.getRenderingHints();
    boolean antialiasOn = rhints.containsValue(RenderingHints.VALUE_ANTIALIAS_ON);

    // Enable antialiasing for shapes
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);



16.6.1.Determine if antialiasing is enabled
16.6.2.Enable antialiasing for shapes
16.6.3.Disable antialiasing for shapes
16.6.4.Enable antialiasing for text
16.6.5.Disable antialiasing for text