2
|
1 |
/*
|
5506
|
2 |
* Copyright (c) 1997, 1998, Oracle and/or its affiliates. All rights reserved.
|
2
|
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
|
5506
|
7 |
* published by the Free Software Foundation. Oracle designates this
|
2
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
5506
|
9 |
* by Oracle in the LICENSE file that accompanied this code.
|
2
|
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 |
*
|
5506
|
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.
|
2
|
24 |
*/
|
|
25 |
|
|
26 |
package javax.swing;
|
|
27 |
|
|
28 |
import java.awt.*;
|
|
29 |
import java.awt.image.*;
|
|
30 |
|
|
31 |
/** ImageObserver for DebugGraphics, used for images only.
|
|
32 |
*
|
|
33 |
* @author Dave Karlton
|
|
34 |
*/
|
|
35 |
class DebugGraphicsObserver implements ImageObserver {
|
|
36 |
int lastInfo;
|
|
37 |
|
|
38 |
synchronized boolean allBitsPresent() {
|
|
39 |
return (lastInfo & ImageObserver.ALLBITS) != 0;
|
|
40 |
}
|
|
41 |
|
|
42 |
synchronized boolean imageHasProblem() {
|
|
43 |
return ((lastInfo & ImageObserver.ERROR) != 0 ||
|
|
44 |
(lastInfo & ImageObserver.ABORT) != 0);
|
|
45 |
}
|
|
46 |
|
|
47 |
public synchronized boolean imageUpdate(Image img, int infoflags,
|
|
48 |
int x, int y,
|
|
49 |
int width, int height) {
|
|
50 |
lastInfo = infoflags;
|
|
51 |
return true;
|
|
52 |
}
|
|
53 |
}
|