001    /* PrintJob.java -- A print job class
002       Copyright (C) 1999, 2002, 2005  Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    
039    package java.awt;
040    
041    import java.util.Properties;
042    
043    /**
044     * This abstract class represents a print job.
045     *
046     * @author Aaron M. Renn (arenn@urbanophile.com)
047     * @see Toolkit#getPrintJob(Frame, String, Properties)
048     * @since 1.0
049     * @status updated to 1.4
050     */
051    public abstract class PrintJob
052    {
053      /**
054       * Create a new PrintJob.
055       */
056      public PrintJob()
057      {
058      }
059    
060      /**
061       * Returns a graphics context suitable for rendering the next page. The
062       * return must also implement {@link PrintGraphics}.
063       *
064       * @return a graphics context for printing the next page
065       */
066      public abstract Graphics getGraphics();
067    
068      /**
069       * Returns the dimension of the page in pixels.  The resolution will be
070       * chosen to be similar to the on screen image.
071       *
072       * @return the page dimensions
073       */
074      public abstract Dimension getPageDimension();
075    
076      /**
077       * Returns the resolution of the page in pixels per inch. Note that this is
078       * not necessarily the printer's resolution.
079       *
080       * @return the resolution of the page in pixels per inch
081       */
082      public abstract int getPageResolution();
083    
084      /**
085       * Tests whether or not the last page will be printed first.
086       *
087       * @return true if the last page prints first
088       */
089      public abstract boolean lastPageFirst();
090    
091      /**
092       * Informs the print job that printing is complete or should be aborted.
093       */
094      public abstract void end();
095    
096      /**
097       * This method explicitly ends the print job in the event the job
098       * becomes un-referenced without the application having done so.
099       */
100      public void finalize()
101      {
102        end();
103      }
104    } // class PrintJob