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jeremybenn |
/* Printable.java -- Renders a page to the print device
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Copyright (C) 1999, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt.print;
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import java.awt.Graphics;
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/**
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* This interface provides a mechanism for the actual printing of pages to the
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* printer. The object implementing this interface performs the page
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* rendering.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public interface Printable
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{
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/**
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* This value is returned by the <code>print()</code> method to indicate
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* that the requested page exists and has been printed.
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*/
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int PAGE_EXISTS = 0;
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/**
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* This value is returned by the <code>print()</code> method to indicate
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* that the requested page number does not exist.
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*/
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int NO_SUCH_PAGE = 1;
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/**
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* This method prints the specified page to the specified graphics
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* context in the specified format. The pages are numbered starting
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* from zero.
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*
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* @param graphics The graphics context to render the pages on.
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* @param format The format in which to print the page.
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* @param page_number The page number to print, where numbers start at zero.
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*
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* @return <code>PAGE_EXISTS</code> if the requested page exists and was
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* successfully printed, <code>NO_SUCH_PAGE</code> otherwise.
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*
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* @exception PrinterException If an error occurs during printing.
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*/
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int print(Graphics graphics, PageFormat format, int page_number)
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throws PrinterException;
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}
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