Java by API/java.awt.geom/Area

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Area: add(Area rhs)

   <source lang="java">

import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.Area; import java.awt.geom.Ellipse2D; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   Graphics2D g2 = (Graphics2D) g;
   Ellipse2D e1 = new Ellipse2D.Double (20.0, 20.0, 80.0, 70.0);
   Ellipse2D e2 = new Ellipse2D.Double (20.0, 70.0, 40.0, 40.0);
   Area a1 = new Area (e1);
   Area a2 = new Area (e2);
   a1.add (a2);
   g2.setColor (Color.orange);
   g2.fill (a1);
   g2.setColor (Color.black);
   g2.drawString ("Union", 20, 140);


 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

      </source>
   
  
 
  



Area: exclusiveOr(Area rhs)

   <source lang="java">

import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.Area; import java.awt.geom.Ellipse2D; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   Graphics2D g2 = (Graphics2D) g;
   Ellipse2D e1 = new Ellipse2D.Double (20.0, 20.0, 80.0, 70.0);
   Ellipse2D e2 = new Ellipse2D.Double (20.0, 70.0, 40.0, 40.0);
   Area a1 = new Area (e1);
   Area a2 = new Area (e2);
   a1.exclusiveOr (a2);
   g2.setColor (Color.orange);
   g2.fill (a1);
   g2.setColor (Color.black);
   g2.drawString ("exclusiveOr", 20, 140);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

      </source>
   
  
 
  



Area: intersect(Area rhs)

   <source lang="java">

import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.Area; import java.awt.geom.Ellipse2D; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   Graphics2D g2 = (Graphics2D) g;
   Ellipse2D e1 = new Ellipse2D.Double (20.0, 20.0, 80.0, 70.0);
   Ellipse2D e2 = new Ellipse2D.Double (20.0, 70.0, 40.0, 40.0);
   Area a1 = new Area (e1);
   Area a2 = new Area (e2);
   a1.intersect (a2);
   g2.setColor (Color.orange);
   g2.fill (a1);
   g2.setColor (Color.black);
   g2.drawString ("intersect", 20, 140);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

      </source>
   
  
 
  



Area: subtract(Area rhs)

   <source lang="java">

import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.Area; import java.awt.geom.Ellipse2D; import javax.swing.JFrame; import javax.swing.JPanel; public class MainClass extends JPanel {

 public void paint(Graphics g) {
   Graphics2D g2 = (Graphics2D) g;
   Ellipse2D e1 = new Ellipse2D.Double (20.0, 20.0, 80.0, 70.0);
   Ellipse2D e2 = new Ellipse2D.Double (20.0, 70.0, 40.0, 40.0);
   Area a1 = new Area (e1);
   Area a2 = new Area (e2);
   a1.subtract (a2);
   g2.setColor (Color.orange);
   g2.fill (a1);
   g2.setColor (Color.black);
   g2.drawString ("subtract", 20, 140);
 }
 public static void main(String[] args) {
   JFrame frame = new JFrame();
   frame.getContentPane().add(new MainClass());
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   frame.setSize(200,200);
   frame.setVisible(true);
 }

}

      </source>