Print in Java 2: PrinterJob : Print « 2D Graphics GUI « Java

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Java » 2D Graphics GUI » Print 




Print in Java 2: PrinterJob
    

/**
 * Class: Example2
 * <p>
 
 * Print in Java series for the JavaWorld magazine.
 
 @author Jean-Pierre Dube <jpdube@videotron.ca>
 @version 1.0
 @since 1.0
 */

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.print.Book;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterJob;

public class JavaWorldPrintExample2 {
  public static void main(String[] args) {

    JavaWorldPrintExample2 example2 = new JavaWorldPrintExample2();
    System.exit(0);
  }

  //--- Private instances declarations
  private final static int POINTS_PER_INCH = 72;

  /**
   * Constructor: Example2
   * <p>
   *  
   */
  public JavaWorldPrintExample2() {

    //--- Create a new PrinterJob object
    PrinterJob printJob = PrinterJob.getPrinterJob();

    //--- Create a new book to add pages to
    Book book = new Book();

    //--- Add the cover page using the default page format for this print
    // job
    book.append(new IntroPage(), printJob.defaultPage());

    //--- Add the document page using a landscape page format
    PageFormat documentPageFormat = new PageFormat();
    documentPageFormat.setOrientation(PageFormat.LANDSCAPE);
    book.append(new Document(), documentPageFormat);

    //--- Tell the printJob to use the book as the pageable object
    printJob.setPageable(book);

    //--- Show the print dialog box. If the user click the
    //--- print button we then proceed to print else we cancel
    //--- the process.
    if (printJob.printDialog()) {
      try {
        printJob.print();
      catch (Exception PrintException) {
        PrintException.printStackTrace();
      }
    }
  }

  /**
   * Class: IntroPage
   * <p>
   
   * This class defines the painter for the cover page by implementing the
   * Printable interface.
   * <p>
   
   @author Jean-Pierre Dube <jpdube@videotron.ca>
   @version 1.0
   @since 1.0
   @see Printable
   */
  private class IntroPage implements Printable {

    /**
     * Method: print
     * <p>
     
     @param g
     *            a value of type Graphics
     @param pageFormat
     *            a value of type PageFormat
     @param page
     *            a value of type int
     @return a value of type int
     */
    public int print(Graphics g, PageFormat pageFormat, int page) {

      //--- Create the Graphics2D object
      Graphics2D g2d = (Graphics2Dg;

      //--- Translate the origin to 0,0 for the top left corner
      g2d.translate(pageFormat.getImageableX(), pageFormat
          .getImageableY());

      //--- Set the default drawing color to black
      g2d.setPaint(Color.black);

      //--- Draw a border arround the page
      Rectangle2D.Double border = new Rectangle2D.Double(00, pageFormat
          .getImageableWidth(), pageFormat.getImageableHeight());
      g2d.draw(border);

      //--- Print the title
      String titleText = "Printing in Java Part 2";
      Font titleFont = new Font("helvetica", Font.BOLD, 36);
      g2d.setFont(titleFont);

      //--- Compute the horizontal center of the page
      FontMetrics fontMetrics = g2d.getFontMetrics();
      double titleX = (pageFormat.getImageableWidth() 2)
          (fontMetrics.stringWidth(titleText2);
      double titleY = * POINTS_PER_INCH;
      g2d.drawString(titleText, (inttitleX, (inttitleY);

      return (PAGE_EXISTS);
    }
  }

  /**
   * Class: Document
   * <p>
   
   * This class is the painter for the document content.
   * <p>
   
   
   @author Jean-Pierre Dube <jpdube@videotron.ca>
   @version 1.0
   @since 1.0
   @see Printable
   */
  private class Document implements Printable {

    /**
     * Method: print
     * <p>
     
     @param g
     *            a value of type Graphics
     @param pageFormat
     *            a value of type PageFormat
     @param page
     *            a value of type int
     @return a value of type int
     */
    public int print(Graphics g, PageFormat pageFormat, int page) {

      //--- Create the Graphics2D object
      Graphics2D g2d = (Graphics2Dg;

      //--- Translate the origin to 0,0 for the top left corner
      g2d.translate(pageFormat.getImageableX(), pageFormat
          .getImageableY());

      //--- Set the drawing color to black
      g2d.setPaint(Color.black);

      //--- Draw a border arround the page using a 12 point border
      g2d.setStroke(new BasicStroke(12));
      Rectangle2D.Double border = new Rectangle2D.Double(00, pageFormat
          .getImageableWidth(), pageFormat.getImageableHeight());

      g2d.draw(border);

      //--- Print the text one inch from the top and laft margins
      g2d.drawString("This the content page", POINTS_PER_INCH,
          POINTS_PER_INCH);

      //--- Validate the page
      return (PAGE_EXISTS);

    }
  }

// Example2


           
         
    
    
    
  














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