printdemo2.java

java 完全探索的随书源码

// PrintDemo2.java

import java.awt.*;
import java.awt.geom.*;
import java.awt.print.*;

class PrintDemo2
{
   public static void main (String [] args)
   {
      // Get a PrinterJob

      PrinterJob job = PrinterJob.getPrinterJob ();

      // Create a landscape page format.

      PageFormat pf = job.defaultPage ();
      pf.setOrientation (PageFormat.LANDSCAPE);

      // Set up a book.

      Book bk = new Book ();     
      bk.append (new paintCover (), pf);
      bk.append (new paintContent (), job.defaultPage (), 1);

      // Pass the book to the PrinterJob.

      job.setPageable (bk);

      // Specify the job name.

      job.setJobName ("My book");

      // Put up the dialog box.

      if (job.printDialog ())
      {
          // Print the job if the user didn't cancel printing

          try
          {
             job.print ();
          }
          catch (PrinterException e)
          {
             System.out.println (e);
          }
       }

      System.exit (0);
   }
}

class paintContent implements Printable
{
   public int print (Graphics g, PageFormat pf, int pageIndex)
              throws PrinterException
   {
      System.out.println ("Page index = " + pageIndex);

      // pageIndex 1 corresponds to page number 2.

      if (pageIndex > 2)
          return Printable.NO_SUCH_PAGE;

      Graphics2D g2 = (Graphics2D) g;

      double w = pf.getImageableWidth ();
      double h = pf.getImageableHeight ();

      int xo = (int) pf.getImageableX ();
      int yo = (int) pf.getImageableY ();

      Rectangle2D r = new Rectangle2D.Double (xo, yo, w, h);

      g2.setColor (Color.red);
      g2.draw (r);

      for (int x = 0; x + 32 < w; x += 36)
           for (int y = 0; y + 32 < h; y += 36)
      {
           g2.setColor (new Color (rnd (256), rnd (256), rnd (256)));

           Shape s = new Ellipse2D.Double (xo + x + 4, yo + y + 4,
                                           32, 32);

           g2.fill (s);       
      }

      return Printable.PAGE_EXISTS;   
   }

   int rnd (int limit)
   {
      return ((int) (Math.random () * limit));
   } 
}

class paintCover implements Printable
{
   Font fnt = new Font ("TimesRoman", Font.ITALIC, 72);
      
   public int print (Graphics g, PageFormat pf, int pageIndex)
              throws PrinterException
   {
      Graphics2D g2 = (Graphics2D) g;

      double w = pf.getImageableWidth ();
      double h = pf.getImageableHeight ();

      int xo = (int) pf.getImageableX ();
      int yo = (int) pf.getImageableY ();

      Rectangle2D r = new Rectangle2D.Double (xo, yo, w, h);

      g2.setColor (Color.red);
      g2.draw (r);

      PrinterGraphics p = (PrinterGraphics) g2;
      String s = p.getPrinterJob ().getJobName ();
      int x = s.length () / 10;

      g2.setFont (fnt);
      int y = g2.getFont ().getSize () * 5 / 2;

      g2.translate (xo + x, yo + y);

      AffineTransform old = g2.getTransform  ();

      g2.shear (-0.95, 0.0);
      g2.scale (1.0, 3.0);

      g2.setPaint (Color.lightGray);
      g2.drawString (s, 0, 0);

      g2.setTransform (old);

      g2.setPaint (Color.black);
      g2.drawString (s, 0, 0);

      return Printable.PAGE_EXISTS;   
   } 
}