001 /**
002 * ========================================
003 * JFreeReport : a free Java report library
004 * ========================================
005 *
006 * Project Info: http://reporting.pentaho.org/
007 *
008 * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009 *
010 * This library is free software; you can redistribute it and/or modify it under the terms
011 * of the GNU Lesser General Public License as published by the Free Software Foundation;
012 * either version 2.1 of the License, or (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016 * See the GNU Lesser General Public License for more details.
017 *
018 * You should have received a copy of the GNU Lesser General Public License along with this
019 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020 * Boston, MA 02111-1307, USA.
021 *
022 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023 * in the United States and other countries.]
024 *
025 * ------------
026 * $Id: DrawablePrintable.java,v 1.4 2007/04/01 18:49:31 taqua Exp $
027 * ------------
028 * (C) Copyright 2000-2005, by Object Refinery Limited.
029 * (C) Copyright 2005-2007, by Pentaho Corporation.
030 */
031
032 package org.jfree.report.modules.gui.swing.printing;
033
034 import java.awt.Graphics;
035 import java.awt.Graphics2D;
036 import java.awt.geom.Rectangle2D;
037 import java.awt.print.PageFormat;
038 import java.awt.print.Printable;
039 import java.awt.print.PrinterException;
040
041 import org.jfree.ui.Drawable;
042
043 /**
044 * Creation-Date: 15.11.2006, 22:14:09
045 *
046 * @author Thomas Morgner
047 */
048 public class DrawablePrintable implements Printable
049 {
050 private Drawable drawable;
051
052 public DrawablePrintable(final Drawable drawable)
053 {
054 this.drawable = drawable;
055 }
056
057 /**
058 * Prints the page at the specified index into the specified {@link
059 * java.awt.Graphics} context in the specified format. A
060 * <code>PrinterJob</code> calls the <code>Printable</code> interface to
061 * request that a page be rendered into the context specified by
062 * <code>graphics</code>. The format of the page to be drawn is specified by
063 * <code>pageFormat</code>. The zero based index of the requested page is
064 * specified by <code>pageIndex</code>. If the requested page does not exist
065 * then this method returns NO_SUCH_PAGE; otherwise PAGE_EXISTS is returned.
066 * The <code>Graphics</code> class or subclass implements the {@link
067 * java.awt.print.PrinterGraphics} interface to provide additional
068 * information. If the <code>Printable</code> object aborts the print job
069 * then it throws a {@link java.awt.print.PrinterException}.
070 *
071 * @param graphics the context into which the page is drawn
072 * @param pageFormat the size and orientation of the page being drawn
073 * @param pageIndex the zero based index of the page to be drawn
074 * @return PAGE_EXISTS if the page is rendered successfully or NO_SUCH_PAGE if
075 * <code>pageIndex</code> specifies a non-existent page.
076 * @throws java.awt.print.PrinterException
077 * thrown when the print job is terminated.
078 */
079 public int print(Graphics graphics, PageFormat pageFormat, int pageIndex)
080 throws PrinterException
081 {
082 if (drawable == null)
083 {
084 return NO_SUCH_PAGE;
085 }
086
087 final Graphics2D g2 = (Graphics2D) graphics;
088 final Rectangle2D bounds = new Rectangle2D.Double
089 (0,0, pageFormat.getImageableWidth(), pageFormat.getImageableHeight());
090 drawable.draw(g2, bounds);
091 return PAGE_EXISTS;
092 }
093 }