|
2
|
1 |
/*
|
|
|
2 |
* Copyright 1997-1998 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 java.awt.image;
|
|
|
27 |
|
|
|
28 |
/**
|
|
|
29 |
* An interface for objects that wish to be informed when tiles
|
|
|
30 |
* of a WritableRenderedImage become modifiable by some writer via
|
|
|
31 |
* a call to getWritableTile, and when they become unmodifiable via
|
|
|
32 |
* the last call to releaseWritableTile.
|
|
|
33 |
*
|
|
|
34 |
* @see WritableRenderedImage
|
|
|
35 |
*
|
|
|
36 |
* @author Thomas DeWeese
|
|
|
37 |
* @author Daniel Rice
|
|
|
38 |
*/
|
|
|
39 |
public interface TileObserver {
|
|
|
40 |
|
|
|
41 |
/**
|
|
|
42 |
* A tile is about to be updated (it is either about to be grabbed
|
|
|
43 |
* for writing, or it is being released from writing).
|
|
|
44 |
*
|
|
|
45 |
* @param source the image that owns the tile.
|
|
|
46 |
* @param tileX the X index of the tile that is being updated.
|
|
|
47 |
* @param tileY the Y index of the tile that is being updated.
|
|
|
48 |
* @param willBeWritable If true, the tile will be grabbed for writing;
|
|
|
49 |
* otherwise it is being released.
|
|
|
50 |
*/
|
|
|
51 |
public void tileUpdate(WritableRenderedImage source,
|
|
|
52 |
int tileX, int tileY,
|
|
|
53 |
boolean willBeWritable);
|
|
|
54 |
|
|
|
55 |
}
|