Paint an Icon : Image « 2D Graphics GUI « Java

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

Paint an Icon

       
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.awt.geom.AffineTransform;
import java.net.URL;

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

public class IconPaint extends JApplet {
  static String iconFile = "largeJava2sLogo.gif";

  public void init() {
    Image starry = getImage(getURL(iconFile));
    IconPanel starPanel = new IconPanel(starry);
    getContentPane().add(starPanel, BorderLayout.CENTER);
  }

  protected URL getURL(String filename) {
    URL codeBase = this.getCodeBase();
    URL url = null;

    try {
      url = new URL(codeBase, filename);
    } catch (java.net.MalformedURLException e) {
      System.out.println("Couldn't create image: "
          + "badly specified URL");
      return null;
    }

    return url;
  }

  public static void main(String[] args) {
    Image starImage = Toolkit.getDefaultToolkit().getImage(
        IconPaint.iconFile);

    IconPanel starPanel = new IconPanel(starImage);

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

    f.getContentPane().add(starPanel, BorderLayout.CENTER);
    f.setSize(new Dimension(550, 200));
    f.setVisible(true);
  }
}

class IconPanel extends JPanel {
  Image img;

  public IconPanel(Image img) {
    this.img = img;
  }

  public void paintComponent(Graphics g) {
    super.paintComponent(g);
    setBackground(Color.white);
    Graphics2D g2 = (Graphics2D) g;

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
        RenderingHints.VALUE_ANTIALIAS_ON);

    g2.setRenderingHint(RenderingHints.KEY_RENDERING,
        RenderingHints.VALUE_RENDER_QUALITY);

    g2.drawImage(img, 10, 10, 100, 100, this);
  }
}

           
         
    
    
    
    
    
    
  

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