Create shape out of transformation - Java 2D Graphics

Java examples for 2D Graphics:Transform

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Description

Create shape out of transformation

Demo Code

     /* w ww . j a  v  a2s.co  m*/

import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;

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

public class Main extends JFrame
{
     
     public static void main(String[] arg)
     {
          JFrame frame = new Main();
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
         frame.setSize(new Dimension(400,400));
         frame.pack();
         frame.setVisible(true);
     }
     
     public Main()
     {
          super("Programming Exercise 3.9");
          JPanel contentPanel = new JPanel(new FlowLayout());
          JPanel panel = new DrawIt();
          panel.setPreferredSize(new Dimension(400,400));
          contentPanel.add(panel);
          add(contentPanel);
     }
     
     class DrawIt extends JPanel
     {
          public void paintComponent(Graphics g)
          {
               super.paintComponent(g);
               Graphics2D g2 = (Graphics2D)g;
               
               g2.drawLine(0, 0, 500, 1000);
               
               Shape rect = null;
               Shape rect2 = null;
               rect = new Rectangle2D.Double(0,100,100,50);
               g2.setColor(Color.BLUE);
               g2.draw(rect);
               g2.setColor(Color.RED);     
//               int k = 2;
               AffineTransform tr = new AffineTransform();
               tr.setTransform(-0.6,0.8,0.8,0.6,0,0);
               rect2 = tr.createTransformedShape(rect);
               g2.draw(rect2);
          }
     }
}

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