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
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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