01: /*
02: * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * 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.awt.X11;
27:
28: import java.awt.Component;
29: import java.awt.Graphics;
30: import sun.awt.RepaintArea;
31: import java.awt.peer.ComponentPeer;
32:
33: /**
34: * The <code>RepaintArea</code> is a geometric construct created for the
35: * purpose of holding the geometry of several coalesced paint events.
36: * This geometry is accessed synchronously, although it is written such
37: * that painting may still be executed asynchronously.
38: *
39: * @author Eric Hawkes
40: * @version 1.12 05/05/07
41: */
42: class XRepaintArea extends RepaintArea {
43:
44: /**
45: * Constructs a new <code>XRepaintArea</code>
46: * @since 1.3
47: */
48: public XRepaintArea() {
49: }
50:
51: /**
52: * Calls <code>Component.update(Graphics)</code> with given Graphics.
53: */
54: protected void updateComponent(Component comp, Graphics g) {
55: if (comp != null) {
56: ComponentPeer peer = comp.getPeer();
57: if (peer != null) {
58: peer.paint(g);
59: }
60: super .updateComponent(comp, g);
61: }
62: }
63:
64: /**
65: * Calls <code>Component.paint(Graphics)</code> with given Graphics.
66: */
67: protected void paintComponent(Component comp, Graphics g) {
68: if (comp != null) {
69: ComponentPeer peer = comp.getPeer();
70: if (peer != null) {
71: peer.paint(g);
72: }
73: super.paintComponent(comp, g);
74: }
75: }
76: }
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