AWT/Swing merge from GNU Classpath.

From-SVN: r56147

libjava/java/awt/print/Printable.java

@@ -0,0 +1,90 @@
+/* Printable.java -- Renders a page to the print device
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.awt.print;
+
+import java.awt.Graphics;
+
+/**
+  * This interface provides a mechanism for the actual printing of pages to the
+  * printer.  The object implementing this interface performs the page
+  * rendering.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public interface Printable
+{
+
+/*
+ * Static Variables
+ */
+
+/**
+  * This value is returned by the <code>print()</code> method to indicate
+  * that the requested page number does not exist.
+  */
+public static final int NO_SUCH_PAGE = 0;
+
+/**
+  * This value is returned by the <code>print()</code> method to indicate
+  * that the requested page exists and has been printed.
+  */
+public static final int PAGE_EXISTS = 1;
+
+/*************************************************************************/
+
+/**
+  * This method prints the specified page to the specified graphics
+  * context in the specified format.  The pages are numbered starting
+  * from zero.
+  *
+  * @param graphics The graphics context to render the pages on.
+  * @param format The format in which to print the page.
+  * @param page_number The page number to print, where numbers start at zero.
+  *
+  * @return <code>PAGE_EXISTS</code> if the requested page exists and was
+  * successfully printed, <code>NO_SUCH_PAGE</code> otherwise.
+  *
+  * @exception PrinterException If an error occurs during printing.
+  */
+public abstract int
+print(Graphics graphics, PageFormat format, int page_number) 
+      throws PrinterException;
+
+} // interface Printable
+