J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.print; |
| 27 | |
| 28 | import java.awt.Graphics; |
| 29 | import java.awt.PrintGraphics; |
| 30 | import java.awt.PrintJob; |
| 31 | |
| 32 | /** |
| 33 | * A subclass of Graphics that can be printed to. The |
| 34 | * graphics calls are forwared to another Graphics instance |
| 35 | * that does the actual rendering. |
| 36 | */ |
| 37 | |
| 38 | public class ProxyPrintGraphics extends ProxyGraphics |
| 39 | implements PrintGraphics { |
| 40 | |
| 41 | private PrintJob printJob; |
| 42 | |
| 43 | public ProxyPrintGraphics(Graphics graphics, PrintJob thePrintJob) { |
| 44 | super(graphics); |
| 45 | printJob = thePrintJob; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * Returns the PrintJob object from which this PrintGraphics |
| 50 | * object originated. |
| 51 | */ |
| 52 | public PrintJob getPrintJob() { |
| 53 | return printJob; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Creates a new <code>Graphics</code> object that is |
| 58 | * a copy of this <code>Graphics</code> object. |
| 59 | * @return a new graphics context that is a copy of |
| 60 | * this graphics context. |
| 61 | */ |
| 62 | public Graphics create() { |
| 63 | return new ProxyPrintGraphics(getGraphics().create(), printJob); |
| 64 | } |
| 65 | |
| 66 | |
| 67 | /** |
| 68 | * Creates a new <code>Graphics</code> object based on this |
| 69 | * <code>Graphics</code> object, but with a new translation and |
| 70 | * clip area. |
| 71 | * Refer to |
| 72 | * {@link sun.print.ProxyGraphics#createGraphics} |
| 73 | * for a complete description of this method. |
| 74 | * <p> |
| 75 | * @param x the <i>x</i> coordinate. |
| 76 | * @param y the <i>y</i> coordinate. |
| 77 | * @param width the width of the clipping rectangle. |
| 78 | * @param height the height of the clipping rectangle. |
| 79 | * @return a new graphics context. |
| 80 | * @see java.awt.Graphics#translate |
| 81 | * @see java.awt.Graphics#clipRect |
| 82 | */ |
| 83 | public Graphics create(int x, int y, int width, int height) { |
| 84 | Graphics g = getGraphics().create(x, y, width, height); |
| 85 | return new ProxyPrintGraphics(g, printJob); |
| 86 | } |
| 87 | |
| 88 | public Graphics getGraphics() { |
| 89 | return super.getGraphics(); |
| 90 | } |
| 91 | |
| 92 | |
| 93 | /* Spec implies dispose() should flush the page, but the implementation |
| 94 | * has in fact always done this on the getGraphics() call, thereby |
| 95 | * ensuring that multiple pages are cannot be rendered simultaneously. |
| 96 | * We will preserve that behaviour and there is consqeuently no need |
| 97 | * to take any action in this dispose method. |
| 98 | */ |
| 99 | public void dispose() { |
| 100 | super.dispose(); |
| 101 | } |
| 102 | |
| 103 | } |