Scaling a Drawn Image : Transform « 2D Graphics GUI « Java






  1. Java
  2. 2D Graphics GUI
  3. Transform

Scaling a Drawn Image

   

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;

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

public class BasicDraw {
  public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.add(new MyComponent());
    frame.setSize(300, 300);
    frame.setVisible(true);
  }
}

class MyComponent extends JComponent {

  public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    AffineTransform tx = new AffineTransform();

    double scalex = .5;
    double scaley = 1;
    tx.scale(scalex, scaley);

    g2d.setTransform(tx);

    g2d.drawImage(new ImageIcon("a.png").getImage(), tx, this);
  }
}








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