1 /* 2 * Copyright (c) 2000, 2007, Oracle and/or its affiliates. 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * 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#create(int, int, int, int)} 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 }