Anti Alias : Paint « 2D Graphics GUI « Java

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Java » 2D Graphics GUI » PaintScreenshots 
Anti Alias
Anti Alias
   
/*
 * Copyright (c) 2000 David Flanagan.  All rights reserved.
 * This code is from the book Java Examples in a Nutshell, 2nd Edition.
 * It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or implied.
 * You may study, use, and modify it for any non-commercial purpose.
 * You may distribute it non-commercially as long as you retain this notice.
 * For a commercial use license, or to purchase the book (recommended),
 * visit http://www.davidflanagan.com/javaexamples2.
 */

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;

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

/** A demonstration of anti-aliasing */
public class AntiAlias extends JPanel{
  static final int WIDTH = 650, HEIGHT = 350// Size of our example

  public String getName() {
    return "AntiAliasing";
  }

  public int getWidth() {
    return WIDTH;
  }

  public int getHeight() {
    return HEIGHT;
  }

  /** Draw the example */
  public void paint(Graphics g1) {
    Graphics2D g = (Graphics2Dg1;
    BufferedImage image = // Create an off-screen image
    new BufferedImage(6535, BufferedImage.TYPE_INT_RGB);
    Graphics2D ig = image.createGraphics()// Get its Graphics for drawing

    // Set the background to a gradient fill. The varying color of
    // the background helps to demonstrate the anti-aliasing effect
    ig.setPaint(new GradientPaint(00, Color.black, 6535, Color.white));
    ig.fillRect(006535);

    // Set drawing attributes for the foreground.
    // Most importantly, turn on anti-aliasing.
    ig.setStroke(new BasicStroke(2.0f))// 2-pixel lines
    ig.setFont(new Font("Serif", Font.BOLD, 18))// 18-point font
    ig.setRenderingHint(RenderingHints.KEY_ANTIALIASING, // Anti-alias!
        RenderingHints.VALUE_ANTIALIAS_ON);

    // Now draw pure blue text and a pure red oval
    ig.setColor(Color.blue);
    ig.drawString("Java"922);
    ig.setColor(Color.red);
    ig.drawOval(116232);

    // Finally, scale the image by a factor of 10 and display it
    // in the window. This will allow us to see the anti-aliased pixels
    g.drawImage(image, AffineTransform.getScaleInstance(1010)this);

    // Draw the image one more time at its original size, for comparison
    g.drawImage(image, 00this);
  }

  public static void main(String[] a) {
    JFrame f = new JFrame();
    f.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        System.exit(0);
      }
    });
    f.setContentPane(new AntiAlias());
    f.setSize(400,400);
    f.setVisible(true);
  }

}

           
         
    
    
  
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11.Scaling Methods
12.Simple Attributes of painting
13.Two Stops GradientTwo Stops Gradient
14.Bad vs. Good Primitive Rendering
15.Static methods for some common painting functions
16.Set Text Anti Aliasing
17.Graphics Util: draw shapes and text
18.Utilties for painting visual effects
19.Your own Graphics2D
20.Reads a Paint object that has been serialised
21.A panel that displays a paint sample.
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