HOY_Clipper.java

//EJEMPLO DE RECORTE
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.awt.image.*;

public class Clipper extends Frame {
 static final int numShapes = 5;
 Shape shapes[] = new Shape[numShapes];
 static final int width = 600;
 static final int height = 400;
 MyMenuBar menuBar;
 EventHandler eh = new EventHandler(); 
 public static void main(String args[]){
  Clipper app = new Clipper();
 }
 public Clipper() {
  super("Clipper");
  setupMenuBar();
  add("Center",new MyCanvas());
  createShapes();
  setSize(width,height);
  addWindowListener(eh);
  show();
 }
 void createShapes() {
  for(int i=0;i<shapes.length;++i) shapes[i] = null;
  shapes[0] = new Line2D.Double(0.0,0.0,100.0,100.0);
  shapes[1] = new Rectangle2D.Double(100.0,100.0,200.0,200.0);
  shapes[2] = new Ellipse2D.Double(200.0,200.0,100.0,100.0);
  GeneralPath path = 
   new GeneralPath(new Line2D.Double(300.0,100.0,400.0,150.0));
  path.append(new Line2D.Double(400.0,150.0,350.0,200.0),true);
  path.append(new Line2D.Double(350.0,200.0,325.0,175.0),true);
  path.append(new Line2D.Double(325.0,175.0,300.0,100.0),true);
  shapes[3] = path;
  shapes[4] = new RoundRectangle2D.Double(350.0,250,200.0,100.0,50.0,25.0);
 }
 void setupMenuBar(){
  Object menuItems[][] = {{"File","Exit"}};
  menuBar = new MyMenuBar(menuItems,eh,eh);
  setMenuBar(menuBar);
 }
 class MyCanvas extends Canvas {
  public void paint(Graphics graphics) {
   Graphics2D g = (Graphics2D) graphics;
   g.setClip(new Rectangle2D.Double(75.0,75.0,300.0,250.0));
   float[] dashPattern = {10.0f,10.0f,5.0f,5.0f};
   g.setStroke(new BasicStroke(5,
    BasicStroke.CAP_ROUND,
    BasicStroke.JOIN_MITER,
    10.0f,
    dashPattern,
    0.0f));
   g.draw(shapes[0]);
   g.setPaint(Color.blue);
   g.draw(shapes[1]);
   g.fill(shapes[1]);
   g.setPaint(new GradientPaint(350.0f,200.0f,Color.red,
    325.0f,175.0f,Color.green));
   g.draw(shapes[2]);
   g.fill(shapes[2]);
   g.setColor(Color.black);
   g.draw(shapes[3]);
   TexturePaint texture = new TexturePaint(
    createBufferedImage(),
    new Rectangle2D.Double(350.0,250,200.0,100.0));
    g.setPaint(texture);
   g.draw(shapes[4]);
   g.fill(shapes[4]);
  }
  BufferedImage createBufferedImage() {
   BufferedImage image =
    new BufferedImage(20,20,BufferedImage.TYPE_INT_RGB);
   Graphics2D g = image.createGraphics();
   g.draw(new Line2D.Double(0.0,0.0,10.0,10.0));
   g.draw(new Line2D.Double(0.0,10.0,10.0,0.0));
   return image;
  }
 }
 class EventHandler extends WindowAdapter implements ActionListener,
   ItemListener {
  public void actionPerformed(ActionEvent e){
   String selection=e.getActionCommand();
   if("Exit".equals(selection)){
    System.exit(0);
   }
  }
  public void itemStateChanged(ItemEvent e){
  }
  public void windowClosing(WindowEvent e){
   System.exit(0);
  }
 }
}