bufferedimagedemo2.java

java 完全探索的随书源码

// BufferedImageDemo2.java

import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;

public class BufferedImageDemo2 extends java.applet.Applet
{
   public void paint (Graphics g)
   {
      Graphics2D g2 = (Graphics2D) g;

      RenderingHints rh = g2.getRenderingHints ();
      rh.put (RenderingHints.KEY_ANTIALIASING,
              RenderingHints.VALUE_ANTIALIAS_ON);
      g2.setRenderingHints (rh);

      GeneralPath path = new GeneralPath ();
      path.moveTo (60.0f, 0.0f);
      path.lineTo (50.0f, 300.0f);
      path.curveTo (160.0f, 230.0f, 270.0f, 140.0f, 400.0f, 100.0f);

      Image im = getImage (getDocumentBase (), "corvette.jpg");

      MediaTracker mt = new MediaTracker (this);
      mt.addImage (im, 0);

      try
      {
         mt.waitForID (0);
      }
      catch (InterruptedException e) {}

      BufferedImage bi = new BufferedImage (im.getWidth (this),
                                            im.getHeight (this),
                                            BufferedImage.TYPE_INT_RGB);

      Graphics bg = bi.createGraphics ();
      bg.drawImage (im, 0, 0, this);

      Rectangle2D rect = new Rectangle2D.Float (0.0f, 0.0f,
                                                im.getWidth (this),
                                                im.getHeight (this));

      TexturePaint tp = new TexturePaint (bi, rect);
      g2.setPaint (tp);

      BasicStroke stroke;
      stroke = new BasicStroke (100.0f, BasicStroke.CAP_SQUARE,
                                BasicStroke.JOIN_ROUND);
      g2.setStroke (stroke);

      g2.draw (path);
   }
}